Keys - Machine - Carbon Steel

Keys -> Machine -> Carbon Steel
Width (W) Height (h) Length (L) Indicative
Image
Machine Keys - 3x3x15 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 3x3x15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 437
Part Number: K-0300-0300-1500B-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
$48.68 AUD
$57.42 AUD $48.68 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Width (W) Height (h) Length (L) Indicative
Image
Machine Keys - 3x3x15 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 3x3x15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 437
Part Number: K-0300-0300-1500B-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
$48.68 AUD
$57.42 AUD $48.68 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x16 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
16.00
mm
+/- 0.25
(Equiv. 0.63 in.)
Machine Keys - 3x3x16 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-1600A-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Sep 07, 2026
$33.50 AUD
$39.20 AUD $33.50 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x16 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
16.00
mm
+/- 0.25
(Equiv. 0.63 in.)
Machine Keys - 3x3x16 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-1600A-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Sep 07, 2026
$33.50 AUD
$39.20 AUD $33.50 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x18 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
18.00
mm
+/- 0.25
(Equiv. 0.709 in.)
Machine Keys - 3x3x18 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 528
Part Number: K-0300-0300-1800A-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
$34.05 AUD
$39.85 AUD $34.05 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x18 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
18.00
mm
+/- 0.25
(Equiv. 0.709 in.)
Machine Keys - 3x3x18 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 528
Part Number: K-0300-0300-1800A-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
$34.05 AUD
$39.85 AUD $34.05 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x20 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
20.00
mm
+/- 0.25
(Equiv. 0.787 in.)
Machine Keys - 3x3x20 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 1410
Part Number: K-0300-0300-2000A-C (Pack of 10)
127 units (1270 pcs) Available Now | Further orders can be expected around Wed, Sep 02, 2026
$8.05 AUD
$8.05 AUD
Priced, Stocked and Sold Per pack of 10
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 127 available can be backordered.
Machine Keys - 3x3x20 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
20.00
mm
+/- 0.25
(Equiv. 0.787 in.)
Machine Keys - 3x3x20 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 1410
Part Number: K-0300-0300-2000A-C (Pack of 10)
127 units (1270 pcs) Available Now | Further orders can be expected around Wed, Sep 02, 2026
$8.05 AUD
$8.05 AUD
Priced, Stocked and Sold Per pack of 10
Excludes GST and overseas Taxes & Duties
Quantity Required

127 units (1270 pcs) Available Now. Backorder if more than 127.
Machine Keys - 3x3x20 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
20.00
mm
+/- 0.25
(Equiv. 0.787 in.)
Machine Keys - 3x3x20 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 198
Part Number: K-0300-0300-2000B-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
$124.77 AUD
$148.13 AUD $124.77 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x20 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
20.00
mm
+/- 0.25
(Equiv. 0.787 in.)
Machine Keys - 3x3x20 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 198
Part Number: K-0300-0300-2000B-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
$124.77 AUD
$148.13 AUD $124.77 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x25 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
25.00
mm
+/- 0.25
(Equiv. 0.984 in.)
Machine Keys - 3x3x25 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 654
Part Number: K-0300-0300-2500A-C (Pack of 5)
8 units (40 pcs) Available Now | Further orders can be expected around Wed, Sep 02, 2026
$4.68 AUD
$4.68 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 8 available can be backordered.
Machine Keys - 3x3x25 mm - Carbon Steel Key
Width (W)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0 / - 0.025
(Equiv. 0.118 in.)
Length (L)
25.00
mm
+/- 0.25
(Equiv. 0.984 in.)
Machine Keys - 3x3x25 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Additional stock available from USA subject to Prior Sale = 654
Part Number: K-0300-0300-2500A-C (Pack of 5)
8 units (40 pcs) Available Now | Further orders can be expected around Wed, Sep 02, 2026
$4.68 AUD
$4.68 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

8 units (40 pcs) Available Now. Backorder if more than 8.
Machine Keys - 4x4x8 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 4x4x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-0800BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x8 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 4x4x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-0800BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x8 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 4x4x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-0800AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x8 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 4x4x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-0800AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x10 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 4x4x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1000BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x10 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 4x4x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1000BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x10 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 4x4x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-1000AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x10 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 4x4x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-1000AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x12 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 4x4x12 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1200BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x12 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 4x4x12 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1200BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x12 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 4x4x12 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-1200AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x12 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 4x4x12 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-1200AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x14 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 4x4x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-1400AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x14 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 4x4x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-1400AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x14 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 4x4x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1400BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x14 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 4x4x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1400BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x15 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 4x4x15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-1500AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x15 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 4x4x15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-1500AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x15 mm - Carbon Steel C45 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)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 4x4x15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1500B-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x15 mm - Carbon Steel C45 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)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 4x4x15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1500B-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x15 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 4x4x15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1500BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x15 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 4x4x15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1500BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x16 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
16.00
mm
+/- 0.25
(Equiv. 0.63 in.)
Machine Keys - 4x4x16 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1600BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x16 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
16.00
mm
+/- 0.25
(Equiv. 0.63 in.)
Machine Keys - 4x4x16 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1600BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x16 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
16.00
mm
+/- 0.25
(Equiv. 0.63 in.)
Machine Keys - 4x4x16 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-1600AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x16 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
16.00
mm
+/- 0.25
(Equiv. 0.63 in.)
Machine Keys - 4x4x16 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-1600AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x20 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
20.00
mm
+/- 0.25
(Equiv. 0.787 in.)
Machine Keys - 4x4x20 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-2000BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x20 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
20.00
mm
+/- 0.25
(Equiv. 0.787 in.)
Machine Keys - 4x4x20 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-2000BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x20 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
20.00
mm
+/- 0.25
(Equiv. 0.787 in.)
Machine Keys - 4x4x20 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-2000AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x20 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
20.00
mm
+/- 0.25
(Equiv. 0.787 in.)
Machine Keys - 4x4x20 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-2000AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x25 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
25.00
mm
+/- 0.25
(Equiv. 0.984 in.)
Machine Keys - 4x4x25 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-2500BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x25 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
25.00
mm
+/- 0.25
(Equiv. 0.984 in.)
Machine Keys - 4x4x25 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0400-0400-2500BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 4x4x25 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
25.00
mm
+/- 0.25
(Equiv. 0.984 in.)
Machine Keys - 4x4x25 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-2500AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 4x4x25 mm - Carbon Steel C45 Key
Width (W)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0.030 / - 0.0
(Equiv. 0.157 in.)
Length (L)
25.00
mm
+/- 0.25
(Equiv. 0.984 in.)
Machine Keys - 4x4x25 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-2500AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Machine Keys - 3.18x3.18x6.35 mm - Carbon Steel C45 Key
Width (W)
3.18
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (h)
3.18
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Length (L)
6.35
mm
+/- 0.25
(Equiv. 0.25 in.)
Machine Keys - 3.18x3.18x6.35 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 1226
Part Number: K-0318-0318-0635B-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
$30.41 AUD
$35.49 AUD $30.41 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3.18x3.18x6.35 mm - Carbon Steel C45 Key
Width (W)
3.18
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (h)
3.18
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Length (L)
6.35
mm
+/- 0.25
(Equiv. 0.25 in.)
Machine Keys - 3.18x3.18x6.35 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard    End Type: B (Square Ends)   
Additional stock available from USA subject to Prior Sale = 1226
Part Number: K-0318-0318-0635B-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
$30.41 AUD
$35.49 AUD $30.41 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.