Collection: Keysteel Lengths - Square - Stainless Steel

Keysteel Lengths -> Square -> Stainless Steel

There are 21 products in the sub-categories of Keysteel Lengths - Square - Stainless Steel. Scroll down or follow the link to Keysteel Lengths - Square - Stainless Steel in the products table to see all these items combined into a handy table with filters.

Category Details

A selection of Stainless Steel Square Keysteel Lengths. 303, 304 and 316 grade key steel. Square stainless steel bar that can be used for keysteel or for small construction projects.

  • An expanded range may be available on special order. Please enquire.
  • Use oversized for replacing keys where the keyway may be slightly worn - standard aftermarket keysteel
  • Use undersized for manufacturing and new applications where the keyway tolerances can be controlled

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Keysteel Lengths - Square - Stainless Steel category on the MBA Minibearings main store.
Width (s1) Height (s2) Length (L) Indicative
Image
Square Keysteel Lengths - 2.778x2.778x300 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
2.778
mm
+ 0 / - 0.076
(Equiv. 0.109 in.)
Height (s2)
2.778
mm
+ 0 / - 0.076
(Equiv. 0.109 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 2.778x2.778x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 21
Part Number: 4R-0028-0300-KS6U (Each)
6 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $63.23 AUD
Regular price $75.87 AUD Sale price $63.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 6 available can be backordered.
Width (s1) Height (s2) Length (L) Indicative
Image
Square Keysteel Lengths - 2.778x2.778x300 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
2.778
mm
+ 0 / - 0.076
(Equiv. 0.109 in.)
Height (s2)
2.778
mm
+ 0 / - 0.076
(Equiv. 0.109 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 2.778x2.778x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 21
Part Number: 4R-0028-0300-KS6U (Each)
6 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $63.23 AUD
Regular price $75.87 AUD Sale price $63.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

6 Available Now. Backorder if more than 6.
Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 457
Part Number: 4R-0030-0300-KS3U (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 25, 2026
Regular price $6.59 AUD
Regular price Sale price $6.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 457
Part Number: 4R-0030-0300-KS3U (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 25, 2026
Regular price $6.59 AUD
Regular price Sale price $6.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 750
Part Number: 4R-0030-0300-KS6U (Each)
3 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 3 available can be backordered.
Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3x3x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 750
Part Number: 4R-0030-0300-KS6U (Each)
3 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

3 Available Now. Backorder if more than 3.
Square Keysteel Lengths - 3x3x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Length (L)
1000
mm
+/- 3.2
(Equiv. 39.37 in.)
Square Keysteel Lengths - 3x3x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 98
Part Number: 4R-0030-1000-KS3U (Each)
9 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $14.32 AUD
Regular price Sale price $14.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 9 available can be backordered.
Square Keysteel Lengths - 3x3x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Length (L)
1000
mm
+/- 3.2
(Equiv. 39.37 in.)
Square Keysteel Lengths - 3x3x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 98
Part Number: 4R-0030-1000-KS3U (Each)
9 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $14.32 AUD
Regular price Sale price $14.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

9 Available Now. Backorder if more than 9.
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
3.175
mm
+ 0.076 / - 0.00
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0.076 / - 0.00
(Equiv. 0.125 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 1347
Part Number: 4R-0032-0300-KS3O (Each)
12 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $6.95 AUD
Regular price Sale price $6.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 12 available can be backordered.
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
3.175
mm
+ 0.076 / - 0.00
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0.076 / - 0.00
(Equiv. 0.125 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 1347
Part Number: 4R-0032-0300-KS3O (Each)
12 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $6.95 AUD
Regular price Sale price $6.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

12 Available Now. Backorder if more than 12.
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 345
Part Number: 4R-0032-0300-KS6U (Each)
20 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $8.68 AUD
Regular price Sale price $8.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 20 available can be backordered.
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 345
Part Number: 4R-0032-0300-KS6U (Each)
20 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $8.68 AUD
Regular price Sale price $8.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

20 Available Now. Backorder if more than 20.
Square Keysteel Lengths - 3.175x3.175x900 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
3.175
mm
+ 0 / - 0.076
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.076
(Equiv. 0.125 in.)
Length (L)
900
mm

(Equiv. 35.433 in.)
Square Keysteel Lengths - 3.175x3.175x900 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 287
Part Number: 4R-0032-0900-KS6U (Each)
5 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $14.50 AUD
Regular price Sale price $14.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 5 available can be backordered.
Square Keysteel Lengths - 3.175x3.175x900 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
3.175
mm
+ 0 / - 0.076
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.076
(Equiv. 0.125 in.)
Length (L)
900
mm

(Equiv. 35.433 in.)
Square Keysteel Lengths - 3.175x3.175x900 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 287
Part Number: 4R-0032-0900-KS6U (Each)
5 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $14.50 AUD
Regular price Sale price $14.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

5 Available Now. Backorder if more than 5.
Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
4.000
mm
+ 0 / - 0.051
(Equiv. 0.157 in.)
Height (s2)
4.000
mm
+ 0 / - 0.051
(Equiv. 0.157 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 265
Part Number: 4R-0040-0300-KS6U (Each)
21 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $5.32 AUD
Regular price $6.38 AUD Sale price $5.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 21 available can be backordered.
Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
4.000
mm
+ 0 / - 0.051
(Equiv. 0.157 in.)
Height (s2)
4.000
mm
+ 0 / - 0.051
(Equiv. 0.157 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 265
Part Number: 4R-0040-0300-KS6U (Each)
21 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $5.32 AUD
Regular price $6.38 AUD Sale price $5.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

21 Available Now. Backorder if more than 21.
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 336
Part Number: 4R-0048-0300-KS6U (Each)
26 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $5.95 AUD
Regular price $7.15 AUD Sale price $5.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 26 available can be backordered.
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 336
Part Number: 4R-0048-0300-KS6U (Each)
26 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $5.95 AUD
Regular price $7.15 AUD Sale price $5.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

26 Available Now. Backorder if more than 26.
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 3823
Part Number: 4R-0048-0300-KS3U (Each)
1 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $5.32 AUD
Regular price $6.38 AUD Sale price $5.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 4.763x4.763x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 3823
Part Number: 4R-0048-0300-KS3U (Each)
1 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $5.32 AUD
Regular price $6.38 AUD Sale price $5.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 214
Part Number: 4R-0048-0914-KS6U (Each)
10 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $16.68 AUD
Regular price $20.02 AUD Sale price $16.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 10 available can be backordered.
Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 4.763x4.763x914 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 214
Part Number: 4R-0048-0914-KS6U (Each)
10 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $16.68 AUD
Regular price $20.02 AUD Sale price $16.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

10 Available Now. Backorder if more than 10.
Square Keysteel Lengths - 5x5x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
5.000
mm
+ 0.076 / - 0.00
(Equiv. 0.197 in.)
Height (s2)
5.000
mm
+ 0.076 / - 0.00
(Equiv. 0.197 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 5x5x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 240
Part Number: 4R-0050-0300-KS3O (Each)
14 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $6.05 AUD
Regular price $7.25 AUD Sale price $6.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 14 available can be backordered.
Square Keysteel Lengths - 5x5x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
5.000
mm
+ 0.076 / - 0.00
(Equiv. 0.197 in.)
Height (s2)
5.000
mm
+ 0.076 / - 0.00
(Equiv. 0.197 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 5x5x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 240
Part Number: 4R-0050-0300-KS3O (Each)
14 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $6.05 AUD
Regular price $7.25 AUD Sale price $6.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

14 Available Now. Backorder if more than 14.
Square Keysteel Lengths - 5x5x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
5.000
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Height (s2)
5.000
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 5x5x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 911
Part Number: 4R-0050-0300-KS3U (Each)
2 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $5.86 AUD
Regular price $7.04 AUD Sale price $5.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
Square Keysteel Lengths - 5x5x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
5.000
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Height (s2)
5.000
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 5x5x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 911
Part Number: 4R-0050-0300-KS3U (Each)
2 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $5.86 AUD
Regular price $7.04 AUD Sale price $5.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Square Keysteel Lengths - 5x5x300 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
5.000
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Height (s2)
5.000
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 5x5x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 438
Part Number: 4R-0050-0300-KS6U (Each)
20 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $12.77 AUD
Regular price Sale price $12.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 20 available can be backordered.
Square Keysteel Lengths - 5x5x300 mm - Stainless Steel 316 Similar to A4, 18-10
Width (s1)
5.000
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Height (s2)
5.000
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 5x5x300 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 438
Part Number: 4R-0050-0300-KS6U (Each)
20 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $12.77 AUD
Regular price Sale price $12.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

20 Available Now. Backorder if more than 20.
Square Keysteel Lengths - 6x6x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
6.000
mm
+ 0 / - 0.051
(Equiv. 0.236 in.)
Height (s2)
6.000
mm
+ 0 / - 0.051
(Equiv. 0.236 in.)
Length (L)
1000
mm
+/- 3.2
(Equiv. 39.37 in.)
Square Keysteel Lengths - 6x6x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 105
Part Number: 4R-0060-1000-KS3U (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 25, 2026
Regular price $69.05 AUD
Regular price Sale price $69.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 6x6x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
6.000
mm
+ 0 / - 0.051
(Equiv. 0.236 in.)
Height (s2)
6.000
mm
+ 0 / - 0.051
(Equiv. 0.236 in.)
Length (L)
1000
mm
+/- 3.2
(Equiv. 39.37 in.)
Square Keysteel Lengths - 6x6x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 105
Part Number: 4R-0060-1000-KS3U (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 25, 2026
Regular price $69.05 AUD
Regular price Sale price $69.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 6.35x6.35x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
6.350
mm
+ 0 / - 0.051
(Equiv. 0.25 in.)
Height (s2)
6.350
mm
+ 0 / - 0.051
(Equiv. 0.25 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 6.35x6.35x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 5933
Part Number: 4R-0064-0300-KS3U (Each)
4 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $13.95 AUD
Regular price Sale price $13.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
Square Keysteel Lengths - 6.35x6.35x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
6.350
mm
+ 0 / - 0.051
(Equiv. 0.25 in.)
Height (s2)
6.350
mm
+ 0 / - 0.051
(Equiv. 0.25 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 6.35x6.35x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 5933
Part Number: 4R-0064-0300-KS3U (Each)
4 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $13.95 AUD
Regular price Sale price $13.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

4 Available Now. Backorder if more than 4.
Square Keysteel Lengths - 8x8x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
8.000
mm
+ 0 / - 0.076
(Equiv. 0.315 in.)
Height (s2)
8.000
mm
+ 0 / - 0.076
(Equiv. 0.315 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 8x8x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 136
Part Number: 4R-0080-0300-KS3U (Each)
6 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $30.59 AUD
Regular price Sale price $30.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 6 available can be backordered.
Square Keysteel Lengths - 8x8x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
8.000
mm
+ 0 / - 0.076
(Equiv. 0.315 in.)
Height (s2)
8.000
mm
+ 0 / - 0.076
(Equiv. 0.315 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 8x8x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 136
Part Number: 4R-0080-0300-KS3U (Each)
6 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $30.59 AUD
Regular price Sale price $30.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

6 Available Now. Backorder if more than 6.
Square Keysteel Lengths - 9.525x9.525x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
9.525
mm
+ 0 / - 0.051
(Equiv. 0.375 in.)
Height (s2)
9.525
mm
+ 0 / - 0.051
(Equiv. 0.375 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 9.525x9.525x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 1213
Part Number: 4R-0095-0300-KS3U (Each)
1 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $18.95 AUD
Regular price $22.75 AUD Sale price $18.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Square Keysteel Lengths - 9.525x9.525x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
9.525
mm
+ 0 / - 0.051
(Equiv. 0.375 in.)
Height (s2)
9.525
mm
+ 0 / - 0.051
(Equiv. 0.375 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 9.525x9.525x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 1213
Part Number: 4R-0095-0300-KS3U (Each)
1 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $18.95 AUD
Regular price $22.75 AUD Sale price $18.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
Square Keysteel Lengths - 10x10x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
10.000
mm
+ 0 / - 0.076
(Equiv. 0.394 in.)
Height (s2)
10.000
mm
+ 0 / - 0.076
(Equiv. 0.394 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 10x10x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 70
Part Number: 4R-0100-0300-KS3U (Each)
1 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $31.68 AUD
Regular price $38.02 AUD Sale price $31.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Square Keysteel Lengths - 10x10x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
10.000
mm
+ 0 / - 0.076
(Equiv. 0.394 in.)
Height (s2)
10.000
mm
+ 0 / - 0.076
(Equiv. 0.394 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 10x10x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 70
Part Number: 4R-0100-0300-KS3U (Each)
1 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $31.68 AUD
Regular price $38.02 AUD Sale price $31.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
Square Keysteel Lengths - 12x12x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
12.000
mm
+ 0 / - 0.076
(Equiv. 0.472 in.)
Height (s2)
12.000
mm
+ 0 / - 0.076
(Equiv. 0.472 in.)
Length (L)
1000
mm
+/- 3.2
(Equiv. 39.37 in.)
Square Keysteel Lengths - 12x12x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 27
Part Number: 4R-0120-1000-KS3U (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 25, 2026
Regular price $267.14 AUD
Regular price Sale price $267.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 12x12x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
12.000
mm
+ 0 / - 0.076
(Equiv. 0.472 in.)
Height (s2)
12.000
mm
+ 0 / - 0.076
(Equiv. 0.472 in.)
Length (L)
1000
mm
+/- 3.2
(Equiv. 39.37 in.)
Square Keysteel Lengths - 12x12x1000 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 27
Part Number: 4R-0120-1000-KS3U (Each)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 25, 2026
Regular price $267.14 AUD
Regular price Sale price $267.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 16x16x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
16.000
mm
+ 0 / - 0.102
(Equiv. 0.63 in.)
Height (s2)
16.000
mm
+ 0 / - 0.102
(Equiv. 0.63 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 16x16x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 19
Part Number: 4R-0160-0300-KS3U (Each)
1 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $57.77 AUD
Regular price $69.33 AUD Sale price $57.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Square Keysteel Lengths - 16x16x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Width (s1)
16.000
mm
+ 0 / - 0.102
(Equiv. 0.63 in.)
Height (s2)
16.000
mm
+ 0 / - 0.102
(Equiv. 0.63 in.)
Length (L)
300
mm
+ 8.0 / - 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 16x16x300 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 19
Part Number: 4R-0160-0300-KS3U (Each)
1 Available Now | Further orders can be expected around Sun, Jan 25, 2026
Regular price $57.77 AUD
Regular price $69.33 AUD Sale price $57.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.