Collection: Keys - Machine

Keys -> Machine
Width (W) Height (h) Length (L) Indicative
Image
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)
50.80
mm
+/- 0.25
(Equiv. 2 in.)
Machine Keys - 3.18x3.18x50.8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Dry Rust Inhibitor   
Category: Keys - Machine - Carbon Steel
Part Number: K-0318-0318-5080A-C (Each)
Machine Keys - 3.18x3.18x50.8 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity
Width (W) Height (h) Length (L) Indicative
Image
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)
50.80
mm
+/- 0.25
(Equiv. 2 in.)
Machine Keys - 3.18x3.18x50.8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Dry Rust Inhibitor   
Category: Keys - Machine - Carbon Steel
Part Number: K-0318-0318-5080A-C (Each)
Machine Keys - 3.18x3.18x50.8 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Fri, Aug 25, 2028
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)
57.15
mm
+/- 0.25
(Equiv. 2.25 in.)
Machine Keys - 3.18x3.18x57.15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 395
Part Number: K-0318-0318-5715B-C (PK-450)
Machine Keys - 3.18x3.18x57.15 mm - Carbon Steel C45 Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $156.14 AUD
Regular price $187.36 AUD Sale price $156.14 AUD
Priced, Stocked and Sold Per 450 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
57.15
mm
+/- 0.25
(Equiv. 2.25 in.)
Machine Keys - 3.18x3.18x57.15 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 395
Part Number: K-0318-0318-5715B-C (PK-450)
Machine Keys - 3.18x3.18x57.15 mm - Carbon Steel C45 Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $156.14 AUD
Regular price $187.36 AUD Sale price $156.14 AUD
Priced, Stocked and Sold Per 450 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Width (W)
3.97
mm
+ 0 / - 0.051
(Equiv. 0.156 in.)
Height (h)
3.97
mm
+ 0 / - 0.051
(Equiv. 0.156 in.)
Length (L)
25.40
mm
+/- 0.25
(Equiv. 1 in.)
Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 398
Part Number: K-0397-0397-2540B-C (PK-100)
Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $34.59 AUD
Regular price $41.51 AUD Sale price $34.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Width (W)
3.97
mm
+ 0 / - 0.051
(Equiv. 0.156 in.)
Height (h)
3.97
mm
+ 0 / - 0.051
(Equiv. 0.156 in.)
Length (L)
25.40
mm
+/- 0.25
(Equiv. 1 in.)
Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 398
Part Number: K-0397-0397-2540B-C (PK-100)
Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $34.59 AUD
Regular price $41.51 AUD Sale price $34.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Width (W)
3.97
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Height (h)
3.97
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Length (L)
25.40
mm
+/- 0.25
(Equiv. 1 in.)
Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 Zinc Plated
Material: Carbon Steel C45 Zinc Plated    Finish: Zinc Electroplate   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 6146
Part Number: K-0397-0397-2540BO-Z (PK-50)
Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 Zinc Plated Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $30.05 AUD
Regular price $36.05 AUD Sale price $30.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Width (W)
3.97
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Height (h)
3.97
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Length (L)
25.40
mm
+/- 0.25
(Equiv. 1 in.)
Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 Zinc Plated
Material: Carbon Steel C45 Zinc Plated    Finish: Zinc Electroplate   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 6146
Part Number: K-0397-0397-2540BO-Z (PK-50)
Machine Keys - 3.97x3.97x25.4 mm - Carbon Steel C45 Zinc Plated Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $30.05 AUD
Regular price $36.05 AUD Sale price $30.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Width (W)
3.97
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Height (h)
3.97
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Length (L)
38.10
mm
+/- 0.25
(Equiv. 1.5 in.)
Machine Keys - 3.97x3.97x38.1 mm - Carbon Steel C45 Zinc Plated
Material: Carbon Steel C45 Zinc Plated    Finish: Zinc Electroplate   
Category: Keys - Machine - Carbon Steel
Part Number: K-0397-0397-3810BO-Z (PK-950)
Machine Keys - 3.97x3.97x38.1 mm - Carbon Steel C45 Zinc Plated Key
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 30, 2026
Regular price $1,083.41 AUD
Regular price Sale price $1,083.41 AUD
Priced, Stocked and Sold Per 950 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Width (W)
3.97
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Height (h)
3.97
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Length (L)
38.10
mm
+/- 0.25
(Equiv. 1.5 in.)
Machine Keys - 3.97x3.97x38.1 mm - Carbon Steel C45 Zinc Plated
Material: Carbon Steel C45 Zinc Plated    Finish: Zinc Electroplate   
Category: Keys - Machine - Carbon Steel
Part Number: K-0397-0397-3810BO-Z (PK-950)
Machine Keys - 3.97x3.97x38.1 mm - Carbon Steel C45 Zinc Plated Key
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 30, 2026
Regular price $1,083.41 AUD
Regular price Sale price $1,083.41 AUD
Priced, Stocked and Sold Per 950 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-0800BO-C (Each)
Machine Keys - 4x4x8 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-0800BO-C (Each)
Machine Keys - 4x4x8 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Fri, Aug 25, 2028
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-0800AO-C (Each)
Machine Keys - 4x4x8 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-0800AO-C (Each)
Machine Keys - 4x4x8 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Fri, Aug 25, 2028
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)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 4x4x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 200
Part Number: K-0400-0400-0800B-C (PK-50)
Machine Keys - 4x4x8 mm - Carbon Steel C45 Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $48.05 AUD
Regular price $57.65 AUD Sale price $48.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 4x4x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 200
Part Number: K-0400-0400-0800B-C (PK-50)
Machine Keys - 4x4x8 mm - Carbon Steel C45 Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $48.05 AUD
Regular price $57.65 AUD Sale price $48.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 4x4x8 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 1114
Part Number: K-0400-0400-0800A-C (PK-10)
Machine Keys - 4x4x8 mm - Carbon Steel Key
19 units (190 pcs) Available Now | Further orders can be expected around Sun, Dec 28, 2025
Regular price $6.05 AUD
Regular price Sale price $6.05 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

19 units (190 pcs) Available Now. Backorder if more than 19.
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)
8.00
mm
+/- 0.25
(Equiv. 0.315 in.)
Machine Keys - 4x4x8 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 1114
Part Number: K-0400-0400-0800A-C (PK-10)
Machine Keys - 4x4x8 mm - Carbon Steel Key
19 units (190 pcs) Available Now | Further orders can be expected around Sun, Dec 28, 2025
Regular price $6.05 AUD
Regular price Sale price $6.05 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

19 units (190 pcs) Available Now. Backorder if more than 19.
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1000BO-C (Each)
Machine Keys - 4x4x10 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1000BO-C (Each)
Machine Keys - 4x4x10 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Fri, Aug 25, 2028
Width (W)
4.00
mm
+ 0 / - 0.051
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0 / - 0.051
(Equiv. 0.157 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 4x4x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)   
Category: Keys - Machine - Stainless Steel
Additional stock available from USA subject to Prior Sale = 229
Part Number: K-0400-0400-1000A-3 (PK-50)
Machine Keys - 4x4x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $176.77 AUD
Regular price $212.13 AUD Sale price $176.77 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Width (W)
4.00
mm
+ 0 / - 0.051
(Equiv. 0.157 in.)
Height (h)
4.00
mm
+ 0 / - 0.051
(Equiv. 0.157 in.)
Length (L)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 4x4x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8
Material: Stainless Steel 303 (Similar to A2, 304, 18-8)   
Category: Keys - Machine - Stainless Steel
Additional stock available from USA subject to Prior Sale = 229
Part Number: K-0400-0400-1000A-3 (PK-50)
Machine Keys - 4x4x10 mm - Stainless Steel 303 Similar to A2, 304, 18-8 Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $176.77 AUD
Regular price $212.13 AUD Sale price $176.77 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 4x4x10 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1000A-C (PK-10)
Machine Keys - 4x4x10 mm - Carbon Steel Key
14 units (140 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

14 units (140 pcs) Available Now. Backorder if more than 14.
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)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 4x4x10 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1000A-C (PK-10)
Machine Keys - 4x4x10 mm - Carbon Steel Key
14 units (140 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

14 units (140 pcs) Available Now. Backorder if more than 14.
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1000AO-C (Each)
Machine Keys - 4x4x10 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1000AO-C (Each)
Machine Keys - 4x4x10 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Fri, Aug 25, 2028
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)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 4x4x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 5899
Part Number: K-0400-0400-1000B-C (PK-50)
Machine Keys - 4x4x10 mm - Carbon Steel C45 Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $48.32 AUD
Regular price $57.98 AUD Sale price $48.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 4x4x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 5899
Part Number: K-0400-0400-1000B-C (PK-50)
Machine Keys - 4x4x10 mm - Carbon Steel C45 Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $48.32 AUD
Regular price $57.98 AUD Sale price $48.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 4x4x10 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)   
Category: Keys - Machine - Stainless Steel
Part Number: K-0400-0400-1000A-6 (Each)
Machine Keys - 4x4x10 mm - Stainless Steel 316 Similar to A4, 18-10 Key
Out of Stock | Backorder Now | Orders can be expected around Thu, Jan 08, 2026
Regular price $29.41 AUD
Regular price $35.29 AUD Sale price $29.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
10.00
mm
+/- 0.25
(Equiv. 0.394 in.)
Machine Keys - 4x4x10 mm - Stainless Steel 316 Similar to A4, 18-10
Material: Stainless Steel 316 (Similar to A4, 18-10)   
Category: Keys - Machine - Stainless Steel
Part Number: K-0400-0400-1000A-6 (Each)
Machine Keys - 4x4x10 mm - Stainless Steel 316 Similar to A4, 18-10 Key
Out of Stock | Backorder Now | Orders can be expected around Thu, Jan 08, 2026
Regular price $29.41 AUD
Regular price $35.29 AUD Sale price $29.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1200AO-C (Each)
Machine Keys - 4x4x12 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1200AO-C (Each)
Machine Keys - 4x4x12 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Fri, Aug 25, 2028
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1200BO-C (Each)
Machine Keys - 4x4x12 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1200BO-C (Each)
Machine Keys - 4x4x12 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Fri, Aug 25, 2028
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)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 4x4x12 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 97257
Part Number: K-0400-0400-1200A-C (PK-50)
Machine Keys - 4x4x12 mm - Carbon Steel Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $19.32 AUD
Regular price $23.18 AUD Sale price $19.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 4x4x12 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 97257
Part Number: K-0400-0400-1200A-C (PK-50)
Machine Keys - 4x4x12 mm - Carbon Steel Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $19.32 AUD
Regular price $23.18 AUD Sale price $19.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 4x4x12 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 150
Part Number: K-0400-0400-1200B-C (PK-5)
Machine Keys - 4x4x12 mm - Carbon Steel C45 Key
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $10.86 AUD
Regular price $13.04 AUD Sale price $10.86 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
12.00
mm
+/- 0.25
(Equiv. 0.472 in.)
Machine Keys - 4x4x12 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 150
Part Number: K-0400-0400-1200B-C (PK-5)
Machine Keys - 4x4x12 mm - Carbon Steel C45 Key
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 06, 2026
Regular price $10.86 AUD
Regular price $13.04 AUD Sale price $10.86 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 4x4x14 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 463
Part Number: K-0400-0400-1400A-C (PK-5)
Machine Keys - 4x4x14 mm - Carbon Steel Key
39 units (195 pcs) Available Now | Further orders can be expected around Sun, Dec 28, 2025
Regular price $3.41 AUD
Regular price Sale price $3.41 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

39 units (195 pcs) Available Now. Backorder if more than 39.
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)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 4x4x14 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 463
Part Number: K-0400-0400-1400A-C (PK-5)
Machine Keys - 4x4x14 mm - Carbon Steel Key
39 units (195 pcs) Available Now | Further orders can be expected around Sun, Dec 28, 2025
Regular price $3.41 AUD
Regular price Sale price $3.41 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

39 units (195 pcs) Available Now. Backorder if more than 39.
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1400AO-C (Each)
Machine Keys - 4x4x14 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1400AO-C (Each)
Machine Keys - 4x4x14 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Fri, Aug 25, 2028
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)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 4x4x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 1168
Part Number: K-0400-0400-1400B-C (PK-600)
Machine Keys - 4x4x14 mm - Carbon Steel C45 Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $135.77 AUD
Regular price $162.93 AUD Sale price $135.77 AUD
Priced, Stocked and Sold Per 600 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
14.00
mm
+/- 0.25
(Equiv. 0.551 in.)
Machine Keys - 4x4x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain   
Category: Keys - Machine - Carbon Steel
Additional stock available from USA subject to Prior Sale = 1168
Part Number: K-0400-0400-1400B-C (PK-600)
Machine Keys - 4x4x14 mm - Carbon Steel C45 Key
Out of Stock | Backorder Now | Orders can be expected around Sun, Dec 28, 2025
Regular price $135.77 AUD
Regular price $162.93 AUD Sale price $135.77 AUD
Priced, Stocked and Sold Per 600 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1400BO-C (Each)
Machine Keys - 4x4x14 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1400BO-C (Each)
Machine Keys - 4x4x14 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Fri, Aug 25, 2028
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1500B-C (Each)
Machine Keys - 4x4x15 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity
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   
Category: Keys - Machine - Carbon Steel
Part Number: K-0400-0400-1500B-C (Each)
Machine Keys - 4x4x15 mm - Carbon Steel C45 Key
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Fri, Aug 25, 2028