Collection: Keysteel Lengths - Rectangular - Carbon Steel

Keysteel Lengths -> Rectangular -> Carbon Steel

There are 6 products in the sub-categories of Keysteel Lengths - Rectangular - Carbon Steel. Browse the Keysteel Lengths - Rectangular - Carbon Steel products table.

Category Details

A selection of Carbon Steel Rectangular Keysteel Lengths. Plain carbon steel key steel. Rectangular 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 - Rectangular - Carbon Steel category on the MBA Minibearings main store.
Width (s1) Height (s2) Length (L) Indicative
Image
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Rectangular Keysteel Lengths - 3.175x4.763x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 596
Part Number: 2R-0032-0048-0300-KPU (PK-4)
Rectangular Keysteel Lengths - 3.175x4.763x300 mm - Carbon Steel 1045
6 units (24 pcs) Available Now | Further orders can be expected around Sat, Jan 03, 2026
Regular price $8.41 AUD
Regular price $10.09 AUD Sale price $8.41 AUD
Priced, Stocked and Sold Per 4 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

6 units (24 pcs) Available Now. Backorder if more than 6.
Width (s1) Height (s2) Length (L) Indicative
Image
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
4.763
mm
+ 0 / - 0.051
(Equiv. 0.188 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Rectangular Keysteel Lengths - 3.175x4.763x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 596
Part Number: 2R-0032-0048-0300-KPU (PK-4)
Rectangular Keysteel Lengths - 3.175x4.763x300 mm - Carbon Steel 1045
6 units (24 pcs) Available Now | Further orders can be expected around Sat, Jan 03, 2026
Regular price $8.41 AUD
Regular price $10.09 AUD Sale price $8.41 AUD
Priced, Stocked and Sold Per 4 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

6 units (24 pcs) Available Now. Backorder if more than 6.
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
6.350
mm
+ 0 / - 0.051
(Equiv. 0.25 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Rectangular Keysteel Lengths - 3.175x6.35x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 911
Part Number: 2R-0032-0064-0300-KPU (Each)
Rectangular Keysteel Lengths - 3.175x6.35x300 mm - Carbon Steel 1045
13 Available Now | Further orders can be expected around Sat, Jan 03, 2026
Regular price $4.23 AUD
Regular price $5.07 AUD Sale price $4.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

13 Available Now. Backorder if more than 13.
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
6.350
mm
+ 0 / - 0.051
(Equiv. 0.25 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Rectangular Keysteel Lengths - 3.175x6.35x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 911
Part Number: 2R-0032-0064-0300-KPU (Each)
Rectangular Keysteel Lengths - 3.175x6.35x300 mm - Carbon Steel 1045
13 Available Now | Further orders can be expected around Sat, Jan 03, 2026
Regular price $4.23 AUD
Regular price $5.07 AUD Sale price $4.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

13 Available Now. Backorder if more than 13.
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
9.525
mm
+ 0 / - 0.051
(Equiv. 0.375 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Rectangular Keysteel Lengths - 3.175x9.525x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 8
Part Number: 2R-0032-0095-0300-KPU (Each)
Rectangular Keysteel Lengths - 3.175x9.525x300 mm - Carbon Steel 1045
2 Available Now | Further orders can be expected around Sat, Jan 03, 2026
Regular price $16.50 AUD
Regular price $19.80 AUD Sale price $16.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
9.525
mm
+ 0 / - 0.051
(Equiv. 0.375 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Rectangular Keysteel Lengths - 3.175x9.525x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 8
Part Number: 2R-0032-0095-0300-KPU (Each)
Rectangular Keysteel Lengths - 3.175x9.525x300 mm - Carbon Steel 1045
2 Available Now | Further orders can be expected around Sat, Jan 03, 2026
Regular price $16.50 AUD
Regular price $19.80 AUD Sale price $16.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Width (s1)
6.350
mm
+ 0 / - 0.051
(Equiv. 0.25 in.)
Height (s2)
9.525
mm
+ 0 / - 0.051
(Equiv. 0.375 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Rectangular Keysteel Lengths - 6.35x9.525x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 386
Part Number: 2R-0064-0095-0300-KPU (PK-2)
Rectangular Keysteel Lengths - 6.35x9.525x300 mm - Carbon Steel 1045
5 units (10 pcs) Available Now | Further orders can be expected around Sat, Jan 03, 2026
Regular price $12.86 AUD
Regular price $15.44 AUD Sale price $12.86 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (10 pcs) Available Now. Backorder if more than 5.
Width (s1)
6.350
mm
+ 0 / - 0.051
(Equiv. 0.25 in.)
Height (s2)
9.525
mm
+ 0 / - 0.051
(Equiv. 0.375 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Rectangular Keysteel Lengths - 6.35x9.525x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 386
Part Number: 2R-0064-0095-0300-KPU (PK-2)
Rectangular Keysteel Lengths - 6.35x9.525x300 mm - Carbon Steel 1045
5 units (10 pcs) Available Now | Further orders can be expected around Sat, Jan 03, 2026
Regular price $12.86 AUD
Regular price $15.44 AUD Sale price $12.86 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (10 pcs) Available Now. Backorder if more than 5.
Width (s1)
6.350
mm
+ 0 / - 0.051
(Equiv. 0.25 in.)
Height (s2)
12.700
mm
+ 0 / - 0.051
(Equiv. 0.5 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Rectangular Keysteel Lengths - 6.35x12.7x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 350
Part Number: 2R-0064-0127-0300-KPU (PK-2)
Rectangular Keysteel Lengths - 6.35x12.7x300 mm - Carbon Steel 1045
5 units (10 pcs) Available Now | Further orders can be expected around Sat, Jan 03, 2026
Regular price $16.50 AUD
Regular price $19.80 AUD Sale price $16.50 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (10 pcs) Available Now. Backorder if more than 5.
Width (s1)
6.350
mm
+ 0 / - 0.051
(Equiv. 0.25 in.)
Height (s2)
12.700
mm
+ 0 / - 0.051
(Equiv. 0.5 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Rectangular Keysteel Lengths - 6.35x12.7x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 350
Part Number: 2R-0064-0127-0300-KPU (PK-2)
Rectangular Keysteel Lengths - 6.35x12.7x300 mm - Carbon Steel 1045
5 units (10 pcs) Available Now | Further orders can be expected around Sat, Jan 03, 2026
Regular price $16.50 AUD
Regular price $19.80 AUD Sale price $16.50 AUD
Priced, Stocked and Sold Per 2 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (10 pcs) Available Now. Backorder if more than 5.
Width (s1)
16.000
mm
+ 0 / - 0.051
(Equiv. 0.63 in.)
Height (s2)
28.000
mm
+ 0 / - 0.076
(Equiv. 1.102 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Rectangular Keysteel Lengths - 16x28x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 63
Part Number: 2R-0160-0280-0300-KPU (Each)
Rectangular Keysteel Lengths - 16x28x300 mm - Carbon Steel 1045
2 Available Now | Further orders can be expected around Sat, Jan 03, 2026
Regular price $75.32 AUD
Regular price Sale price $75.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Width (s1)
16.000
mm
+ 0 / - 0.051
(Equiv. 0.63 in.)
Height (s2)
28.000
mm
+ 0 / - 0.076
(Equiv. 1.102 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Rectangular Keysteel Lengths - 16x28x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 63
Part Number: 2R-0160-0280-0300-KPU (Each)
Rectangular Keysteel Lengths - 16x28x300 mm - Carbon Steel 1045
2 Available Now | Further orders can be expected around Sat, Jan 03, 2026
Regular price $75.32 AUD
Regular price Sale price $75.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.