Keys - Machine - Carbon Steel

Keys -> Machine -> Carbon Steel
Width (W) Height (h) Length (L) Indicative
Image
Machine Keys - 3x3x25 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)
25.00
mm
+/- 0.25
(Equiv. 0.984 in.)
Machine Keys - 3x3x25 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0300-0300-2500B-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Width (W) Height (h) Length (L) Indicative
Image
Machine Keys - 3x3x25 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)
25.00
mm
+/- 0.25
(Equiv. 0.984 in.)
Machine Keys - 3x3x25 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0300-0300-2500B-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Dec 25, 2028
Machine Keys - 3x3x25 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
25.00
mm
+/- 0.25
(Equiv. 0.984 in.)
Machine Keys - 3x3x25 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-2500AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x25 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
25.00
mm
+/- 0.25
(Equiv. 0.984 in.)
Machine Keys - 3x3x25 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-2500AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Dec 25, 2028
Machine Keys - 3x3x30 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
30.00
mm
+/- 0.25
(Equiv. 1.181 in.)
Machine Keys - 3x3x30 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-3000AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x30 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
30.00
mm
+/- 0.25
(Equiv. 1.181 in.)
Machine Keys - 3x3x30 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-3000AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Dec 25, 2028
Machine Keys - 3x3x30 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)
30.00
mm
+/- 0.25
(Equiv. 1.181 in.)
Machine Keys - 3x3x30 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0300-0300-3000B-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x30 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)
30.00
mm
+/- 0.25
(Equiv. 1.181 in.)
Machine Keys - 3x3x30 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0300-0300-3000B-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Dec 25, 2028
Machine Keys - 3x3x30 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
30.00
mm
+/- 0.25
(Equiv. 1.181 in.)
Machine Keys - 3x3x30 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-3000BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x30 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
30.00
mm
+/- 0.25
(Equiv. 1.181 in.)
Machine Keys - 3x3x30 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-3000BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Dec 25, 2028
Machine Keys - 3x3x40 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
40.00
mm
+/- 0.25
(Equiv. 1.575 in.)
Machine Keys - 3x3x40 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-4000AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x40 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
40.00
mm
+/- 0.25
(Equiv. 1.575 in.)
Machine Keys - 3x3x40 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-4000AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Dec 25, 2028
Machine Keys - 3x3x40 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)
40.00
mm
+/- 0.25
(Equiv. 1.575 in.)
Machine Keys - 3x3x40 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0300-0300-4000B-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x40 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)
40.00
mm
+/- 0.25
(Equiv. 1.575 in.)
Machine Keys - 3x3x40 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0300-0300-4000B-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Dec 25, 2028
Machine Keys - 3x3x40 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
40.00
mm
+/- 0.25
(Equiv. 1.575 in.)
Machine Keys - 3x3x40 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-4000BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x40 mm - Carbon Steel C45 Key
Width (W)
3.00
mm
+ 0.025 / - 0.0
(Equiv. 0.118 in.)
Height (h)
3.00
mm
+ 0.025 / - 0.00
(Equiv. 0.118 in.)
Length (L)
40.00
mm
+/- 0.25
(Equiv. 1.575 in.)
Machine Keys - 3x3x40 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0300-0300-4000BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Dec 25, 2028
Machine Keys - 3x3x14 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)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 3x3x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0300-0300-1400B-C (PK-1400)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, May 11, 2026
$326.14 AUD
$391.36 AUD $326.14 AUD
Priced, Stocked and Sold Per 1400 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x14 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)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 3x3x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0300-0300-1400B-C (PK-1400)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, May 11, 2026
$326.14 AUD
$391.36 AUD $326.14 AUD
Priced, Stocked and Sold Per 1400 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x14 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)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 3x3x14 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-1400A-C (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, May 17, 2026
$19.86 AUD
$23.84 AUD $19.86 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x14 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)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 3x3x14 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-1400A-C (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, May 17, 2026
$19.86 AUD
$23.84 AUD $19.86 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Apr 29, 2026
$43.68 AUD
$52.42 AUD $43.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Apr 29, 2026
$43.68 AUD
$52.42 AUD $43.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x15 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)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 3x3x15 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 = 169
Part Number: K-0300-0300-1500A-C (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Apr 29, 2026
$90.05 AUD
$108.05 AUD $90.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3x3x15 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)
15.00
mm
+/- 0.25
(Equiv. 0.591 in.)
Machine Keys - 3x3x15 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 = 169
Part Number: K-0300-0300-1500A-C (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Apr 29, 2026
$90.05 AUD
$108.05 AUD $90.05 AUD
Priced, Stocked and Sold Per 100 Units
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)   
Additional stock available from USA subject to Prior Sale = 1551
Part Number: K-0300-0300-1600A-C (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Apr 29, 2026
$28.50 AUD
$34.20 AUD $28.50 AUD
Priced, Stocked and Sold Per 50 Units
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)   
Additional stock available from USA subject to Prior Sale = 1551
Part Number: K-0300-0300-1600A-C (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Apr 29, 2026
$28.50 AUD
$34.20 AUD $28.50 AUD
Priced, Stocked and Sold Per 50 Units
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 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Apr 29, 2026
$116.77 AUD
$140.13 AUD $116.77 AUD
Priced, Stocked and Sold Per 100 Units
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 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Apr 29, 2026
$116.77 AUD
$140.13 AUD $116.77 AUD
Priced, Stocked and Sold Per 100 Units
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 = 1118
Part Number: K-0300-0300-1800A-C (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Apr 29, 2026
$29.05 AUD
$34.85 AUD $29.05 AUD
Priced, Stocked and Sold Per 50 Units
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 = 1118
Part Number: K-0300-0300-1800A-C (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Apr 29, 2026
$29.05 AUD
$34.85 AUD $29.05 AUD
Priced, Stocked and Sold Per 50 Units
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 = 2325
Part Number: K-0300-0300-2000A-C (PK-10)
127 units (1270 pcs) Available Now | Further orders can be expected around Wed, Apr 29, 2026
$6.14 AUD
$6.14 AUD
Priced, Stocked and Sold Per 10 Units
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 = 2325
Part Number: K-0300-0300-2000A-C (PK-10)
127 units (1270 pcs) Available Now | Further orders can be expected around Wed, Apr 29, 2026
$6.14 AUD
$6.14 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

127 units (1270 pcs) Available Now. Backorder if more than 127.
Machine Keys - 3x3x30 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)
30.00
mm
+/- 0.25
(Equiv. 1.181 in.)
Machine Keys - 3x3x30 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-3000A-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x30 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)
30.00
mm
+/- 0.25
(Equiv. 1.181 in.)
Machine Keys - 3x3x30 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-3000A-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Dec 25, 2028
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 = 18
Part Number: K-0300-0300-2500A-C (PK-5)
9 units (45 pcs) Available Now | Further orders can be expected around Wed, Apr 29, 2026
$3.68 AUD
$3.68 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 9 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 = 18
Part Number: K-0300-0300-2500A-C (PK-5)
9 units (45 pcs) Available Now | Further orders can be expected around Wed, Apr 29, 2026
$3.68 AUD
$3.68 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

9 units (45 pcs) Available Now. Backorder if more than 9.
Machine Keys - 3x3x40 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)
40.00
mm
+/- 0.25
(Equiv. 1.575 in.)
Machine Keys - 3x3x40 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-4000A-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3x3x40 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)
40.00
mm
+/- 0.25
(Equiv. 1.575 in.)
Machine Keys - 3x3x40 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Part Number: K-0300-0300-4000A-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Dec 25, 2028
Machine Keys - 3.18x3.18x12.7 mm - Carbon Steel C45 Key
Width (W)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (h)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
12.70
mm
+/- 0.25
(Equiv. 0.5 in.)
Machine Keys - 3.18x3.18x12.7 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0318-0318-1270AO-C (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, May 10, 2026
$5.14 AUD
$6.16 AUD $5.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3.18x3.18x12.7 mm - Carbon Steel C45 Key
Width (W)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (h)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
12.70
mm
+/- 0.25
(Equiv. 0.5 in.)
Machine Keys - 3.18x3.18x12.7 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0318-0318-1270AO-C (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, May 10, 2026
$5.14 AUD
$6.16 AUD $5.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3.18x3.18x19.05 mm - Carbon Steel C45 Key
Width (W)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (h)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
19.05
mm
+/- 0.25
(Equiv. 0.75 in.)
Machine Keys - 3.18x3.18x19.05 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0318-0318-1905AO-C (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, May 10, 2026
$5.32 AUD
$6.38 AUD $5.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3.18x3.18x19.05 mm - Carbon Steel C45 Key
Width (W)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (h)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
19.05
mm
+/- 0.25
(Equiv. 0.75 in.)
Machine Keys - 3.18x3.18x19.05 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0318-0318-1905AO-C (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, May 10, 2026
$5.32 AUD
$6.38 AUD $5.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3.18x3.18x25.4 mm - Carbon Steel C45 Key
Width (W)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (h)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
25.40
mm
+/- 0.25
(Equiv. 1 in.)
Machine Keys - 3.18x3.18x25.4 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0318-0318-2540AO-C (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, May 10, 2026
$5.41 AUD
$6.49 AUD $5.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3.18x3.18x25.4 mm - Carbon Steel C45 Key
Width (W)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (h)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
25.40
mm
+/- 0.25
(Equiv. 1 in.)
Machine Keys - 3.18x3.18x25.4 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0318-0318-2540AO-C (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, May 10, 2026
$5.41 AUD
$6.49 AUD $5.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Machine Keys - 3.18x3.18x31.75 mm - Carbon Steel C45 Key
Width (W)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (h)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
31.75
mm
+/- 0.25
(Equiv. 1.25 in.)
Machine Keys - 3.18x3.18x31.75 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0318-0318-3175AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3.18x3.18x31.75 mm - Carbon Steel C45 Key
Width (W)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (h)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
31.75
mm
+/- 0.25
(Equiv. 1.25 in.)
Machine Keys - 3.18x3.18x31.75 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: A (Rounded Ends)   
Part Number: K-0318-0318-3175AO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Dec 25, 2028
Machine Keys - 3.18x3.18x31.75 mm - Carbon Steel C45 Key
Width (W)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (h)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
31.75
mm
+/- 0.25
(Equiv. 1.25 in.)
Machine Keys - 3.18x3.18x31.75 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0318-0318-3175BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Machine Keys - 3.18x3.18x31.75 mm - Carbon Steel C45 Key
Width (W)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (h)
3.18
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
31.75
mm
+/- 0.25
(Equiv. 1.25 in.)
Machine Keys - 3.18x3.18x31.75 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0318-0318-3175BO-C (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Dec 25, 2028