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

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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
Machine Keys - 3.18x3.18x25.4 mm - Stainless Steel 316 Similar to A4, 18-10 Key
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)
20 units (200 pcs) Available Now | Further orders can be expected around Sun, Jan 25, 2026
$8.05 AUD
$8.05 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 20 available can be backordered.
Width (W) Height (h) Length (L) Indicative
Image
Machine Keys - 3.18x3.18x25.4 mm - Stainless Steel 316 Similar to A4, 18-10 Key
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)
20 units (200 pcs) Available Now | Further orders can be expected around Sun, Jan 25, 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.
Machine Keys - 4x4x18 mm - Stainless Steel 316 Similar to A4, 18-10 Key
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)
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.
Machine Keys - 4x4x18 mm - Stainless Steel 316 Similar to A4, 18-10 Key
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)
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.
Machine Keys - 5x5x16 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
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 = 8100
Part Number: K-0500-0500-1600A-3 (Each)
45 Available Now | Further orders can be expected around Sun, Jan 25, 2026
$3.41 AUD
$3.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 45 available can be backordered.
Machine Keys - 5x5x16 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
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 = 8100
Part Number: K-0500-0500-1600A-3 (Each)
45 Available Now | Further orders can be expected around Sun, Jan 25, 2026
$3.41 AUD
$3.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

45 Available Now. Backorder if more than 45.
Machine Keys - 5x5x18 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
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)
20 Available Now | Further orders can be expected around Sun, Jan 25, 2026
$3.77 AUD
$3.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 20 available can be backordered.
Machine Keys - 5x5x18 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
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)
20 Available Now | Further orders can be expected around Sun, Jan 25, 2026
$3.77 AUD
$3.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

20 Available Now. Backorder if more than 20.
Machine Keys - 6x6x25 mm - Stainless Steel 316 Similar to A4, 18-10 Key
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)
50 Available Now | Further orders can be expected around Sun, Jan 25, 2026
$3.50 AUD
$3.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 50 available can be backordered.
Machine Keys - 6x6x25 mm - Stainless Steel 316 Similar to A4, 18-10 Key
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)
50 Available Now | Further orders can be expected around Sun, Jan 25, 2026
$3.50 AUD
$3.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

50 Available Now. Backorder if more than 50.