Keys - Machine - Stainless Steel

Keys -> Machine -> Stainless Steel

There are 5 products in the sub-categories of Keys - Machine - Stainless Steel. Browse the Keys - Machine - Stainless Steel products table.

Category Details

A selection of Stainless Steel Machine Keys. Form A has rounded ends. Form B has square ends. Form AB has one end rounded and one end square. DIN6885

  • An expanded range may be available on special order. Please enquire.

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Keys - Machine - Stainless Steel category on the MBA Minibearings main store.
Width (W) Height (h) Length (L) Indicative
Image
Width (W)
3.18
mm

(Equiv. 0.125 in.)
Height (h)
3.18
mm

(Equiv. 0.125 in.)
Length (L)
25.40
mm

(Equiv. 1 in.)
Machine Keys - 3.18x3.18x25.4 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 26
Part Number: K-0318-0318-2540-KS6 (PK-10)
Machine Keys - 3.18x3.18x25.4 mm - Stainless Steel 316 Similar to A4, 18-10 Key
20 units (200 pcs) Available Now | Further orders can be expected around Sat, Jan 03, 2026
$8.05 AUD
$8.05 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

20 units (200 pcs) Available Now. Backorder if more than 20.
Width (W) Height (h) Length (L) Indicative
Image
Width (W)
3.18
mm

(Equiv. 0.125 in.)
Height (h)
3.18
mm

(Equiv. 0.125 in.)
Length (L)
25.40
mm

(Equiv. 1 in.)
Machine Keys - 3.18x3.18x25.4 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 26
Part Number: K-0318-0318-2540-KS6 (PK-10)
Machine Keys - 3.18x3.18x25.4 mm - Stainless Steel 316 Similar to A4, 18-10 Key
20 units (200 pcs) Available Now | Further orders can be expected around Sat, Jan 03, 2026
$8.05 AUD
$8.05 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

20 units (200 pcs) Available Now. Backorder if more than 20.
Width (W)
4.00
mm
+ 0 / - 0.030
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0 / - 0.030
(Equiv. 0.157 in.)
Length (L)
18.00
mm
+/- 0.25
(Equiv. 0.709 in.)
Machine Keys - 4x4x18 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Deleted Item. Available while stocks last.
Part Number: K-0400-0400-1800A-6 (Each)
Machine Keys - 4x4x18 mm - Stainless Steel 316 Similar to A4, 18-10 Key
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.00 AUD
$3.80 AUD $2.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Width (W)
4.00
mm
+ 0 / - 0.030
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0 / - 0.030
(Equiv. 0.157 in.)
Length (L)
18.00
mm
+/- 0.25
(Equiv. 0.709 in.)
Machine Keys - 4x4x18 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Deleted Item. Available while stocks last.
Part Number: K-0400-0400-1800A-6 (Each)
Machine Keys - 4x4x18 mm - Stainless Steel 316 Similar to A4, 18-10 Key
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.00 AUD
$3.80 AUD $2.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Width (W)
5.00
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Height (h)
5.00
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Length (L)
16.00
mm
+/- 0.25
(Equiv. 0.63 in.)
Machine Keys - 5x5x16 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 Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 3110
Part Number: K-0500-0500-1600A-3 (Each)
Machine Keys - 5x5x16 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
45 Available Now | Further orders can be expected around Sat, Jan 03, 2026
$3.41 AUD
$3.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

45 Available Now. Backorder if more than 45.
Width (W)
5.00
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Height (h)
5.00
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Length (L)
16.00
mm
+/- 0.25
(Equiv. 0.63 in.)
Machine Keys - 5x5x16 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 Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 3110
Part Number: K-0500-0500-1600A-3 (Each)
Machine Keys - 5x5x16 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
45 Available Now | Further orders can be expected around Sat, Jan 03, 2026
$3.41 AUD
$3.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

45 Available Now. Backorder if more than 45.
Width (W)
5.00
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Height (h)
5.00
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Length (L)
18.00
mm
+/- 0.25
(Equiv. 0.709 in.)
Machine Keys - 5x5x18 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 Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 86
Part Number: K-0500-0500-1800A-3 (Each)
Machine Keys - 5x5x18 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
20 Available Now | Further orders can be expected around Sat, Jan 03, 2026
$3.77 AUD
$3.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

20 Available Now. Backorder if more than 20.
Width (W)
5.00
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Height (h)
5.00
mm
+ 0 / - 0.051
(Equiv. 0.197 in.)
Length (L)
18.00
mm
+/- 0.25
(Equiv. 0.709 in.)
Machine Keys - 5x5x18 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 Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 86
Part Number: K-0500-0500-1800A-3 (Each)
Machine Keys - 5x5x18 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
20 Available Now | Further orders can be expected around Sat, Jan 03, 2026
$3.77 AUD
$3.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

20 Available Now. Backorder if more than 20.
Width (W)
6.00
mm
+ 0 / - 0.030
(Equiv. 0.236 in.)
Height (h)
6.00
mm
+ 0 / - 0.030
(Equiv. 0.236 in.)
Length (L)
25.00
mm
+/- 0.25
(Equiv. 0.984 in.)
Machine Keys - 6x6x25 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 1001
Part Number: K-0600-0600-2500A-6 (Each)
Machine Keys - 6x6x25 mm - Stainless Steel 316 Similar to A4, 18-10 Key
50 Available Now | Further orders can be expected around Sat, Jan 03, 2026
$3.59 AUD
$3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

50 Available Now. Backorder if more than 50.
Width (W)
6.00
mm
+ 0 / - 0.030
(Equiv. 0.236 in.)
Height (h)
6.00
mm
+ 0 / - 0.030
(Equiv. 0.236 in.)
Length (L)
25.00
mm
+/- 0.25
(Equiv. 0.984 in.)
Machine Keys - 6x6x25 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 1001
Part Number: K-0600-0600-2500A-6 (Each)
Machine Keys - 6x6x25 mm - Stainless Steel 316 Similar to A4, 18-10 Key
50 Available Now | Further orders can be expected around Sat, Jan 03, 2026
$3.59 AUD
$3.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

50 Available Now. Backorder if more than 50.