Collection: Keys - Machine - Carbon Steel

860 Products in this selection
  • Form A has rounded ends. Form B has square ends. Form AB has one end rounded and one end square. DIN6885
Additional resources:
Keysteel Catalogue PDF
A more concise listing may be found on the Smallparts store at Keys - Machine - Carbon Steel. Smallparts promote the most popular MBA products.
Width (W) Height (h) Length (L) Indicative
Image
Width (W)
3.97
mm
+ 0.051 / - 0.00
Height (h)
3.97
mm
+ 0.051 / - 0.00
Length (L)
38.10
mm
+/ - 0.25
1052647 | K-0397-0397-3810BO-Z (50 Pcs) --- Machine Keys - 3.97x3.97x38.1 mm - Carbon Steel C45 Zinc Plated
Material: Carbon Steel C45 Zinc Plated    Finish: Zinc Electroplate    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0397-0397-3810BO-Z (50 Pcs) Machine Keys - 3.97x3.97x38.1 mm - Carbon Steel C45 Zinc Plated
Out of Stock | Backorder Now | Orders can be expected around Fri, May 30, 2025
Regular price $68.95 AUD
Regular price Sale price $68.95 AUD
Per 50
Width (W) Height (h) Length (L) Indicative
Image
Width (W)
3.97
mm
+ 0.051 / - 0.00
Height (h)
3.97
mm
+ 0.051 / - 0.00
Length (L)
38.10
mm
+/ - 0.25
1052647 | K-0397-0397-3810BO-Z (50 Pcs) --- Machine Keys - 3.97x3.97x38.1 mm - Carbon Steel C45 Zinc Plated
Material: Carbon Steel C45 Zinc Plated    Finish: Zinc Electroplate    Tolerance Type: Oversized    End Type: B (Square Ends)   
Part Number: K-0397-0397-3810BO-Z (50 Pcs) Machine Keys - 3.97x3.97x38.1 mm - Carbon Steel C45 Zinc Plated
Out of Stock | Backorder Now | Orders can be expected around Fri, May 30, 2025
Regular price $68.95 AUD
Regular price Sale price $68.95 AUD
Per 50
View the product page first if you are unsure.
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
8.00
mm
+/ - 0.25
1053124 | K-0400-0400-0800BO-C --- 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 Machine Keys - 4x4x8 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
8.00
mm
+/ - 0.25
1053124 | K-0400-0400-0800BO-C --- 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 Machine Keys - 4x4x8 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0 / - 0.030
Height (h)
4.00
mm
+ 0 / - 0.030
Length (L)
8.00
mm
+/ - 0.25
1053126 | K-0400-0400-0800B-C (50 Pcs) --- Machine Keys - 4x4x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0400-0400-0800B-C (50 Pcs) Machine Keys - 4x4x8 mm - Carbon Steel C45
Out of Stock | Backorder Now | Orders can be expected around Fri, May 30, 2025
Regular price $90.32 AUD
Regular price Sale price $90.32 AUD
Per 50
Width (W)
4.00
mm
+ 0 / - 0.030
Height (h)
4.00
mm
+ 0 / - 0.030
Length (L)
8.00
mm
+/ - 0.25
1053126 | K-0400-0400-0800B-C (50 Pcs) --- Machine Keys - 4x4x8 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0400-0400-0800B-C (50 Pcs) Machine Keys - 4x4x8 mm - Carbon Steel C45
Out of Stock | Backorder Now | Orders can be expected around Fri, May 30, 2025
Regular price $90.32 AUD
Regular price Sale price $90.32 AUD
Per 50
View the product page first if you are unsure.
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
8.00
mm
+/ - 0.25
1053127 | K-0400-0400-0800AO-C --- 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 Machine Keys - 4x4x8 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
8.00
mm
+/ - 0.25
1053127 | K-0400-0400-0800AO-C --- 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 Machine Keys - 4x4x8 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
10.00
mm
+/ - 0.25
1053139 | K-0400-0400-1000BO-C --- 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 Machine Keys - 4x4x10 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
10.00
mm
+/ - 0.25
1053139 | K-0400-0400-1000BO-C --- 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 Machine Keys - 4x4x10 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0 / - 0.030
Height (h)
4.00
mm
+ 0 / - 0.030
Length (L)
10.00
mm
+/ - 0.25
1053142 | K-0400-0400-1000B-C (50 Pcs) --- Machine Keys - 4x4x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1000B-C (50 Pcs) Machine Keys - 4x4x10 mm - Carbon Steel C45
Out of Stock | Backorder Now | Orders can be expected around Fri, May 30, 2025
Regular price $90.95 AUD
Regular price Sale price $90.95 AUD
Per 50
Width (W)
4.00
mm
+ 0 / - 0.030
Height (h)
4.00
mm
+ 0 / - 0.030
Length (L)
10.00
mm
+/ - 0.25
1053142 | K-0400-0400-1000B-C (50 Pcs) --- Machine Keys - 4x4x10 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0400-0400-1000B-C (50 Pcs) Machine Keys - 4x4x10 mm - Carbon Steel C45
Out of Stock | Backorder Now | Orders can be expected around Fri, May 30, 2025
Regular price $90.95 AUD
Regular price Sale price $90.95 AUD
Per 50
View the product page first if you are unsure.
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
10.00
mm
+/ - 0.25
1053143 | K-0400-0400-1000AO-C --- 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 Machine Keys - 4x4x10 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
10.00
mm
+/ - 0.25
1053143 | K-0400-0400-1000AO-C --- 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 Machine Keys - 4x4x10 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
12.00
mm
+/ - 0.25
1053154 | K-0400-0400-1200BO-C --- 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 Machine Keys - 4x4x12 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
12.00
mm
+/ - 0.25
1053154 | K-0400-0400-1200BO-C --- 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 Machine Keys - 4x4x12 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
12.00
mm
+/ - 0.25
1053156 | K-0400-0400-1200AO-C --- 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 Machine Keys - 4x4x12 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
12.00
mm
+/ - 0.25
1053156 | K-0400-0400-1200AO-C --- 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 Machine Keys - 4x4x12 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
14.00
mm
+/ - 0.25
1053198 | K-0400-0400-1400AO-C --- 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 Machine Keys - 4x4x14 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
14.00
mm
+/ - 0.25
1053198 | K-0400-0400-1400AO-C --- 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 Machine Keys - 4x4x14 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0 / - 0.030
Height (h)
4.00
mm
+ 0 / - 0.030
Length (L)
14.00
mm
+/ - 0.25
1053199 | K-0400-0400-1400B-C (600 Pcs) --- Machine Keys - 4x4x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard    End Type: B (Square Ends)   
Part Number: K-0400-0400-1400B-C (600 Pcs) Machine Keys - 4x4x14 mm - Carbon Steel C45
Out of Stock | Backorder Now | Orders can be expected around Fri, May 30, 2025
Regular price $249.32 AUD
Regular price Sale price $249.32 AUD
Per 600
Width (W)
4.00
mm
+ 0 / - 0.030
Height (h)
4.00
mm
+ 0 / - 0.030
Length (L)
14.00
mm
+/ - 0.25
1053199 | K-0400-0400-1400B-C (600 Pcs) --- Machine Keys - 4x4x14 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard    End Type: B (Square Ends)   
Part Number: K-0400-0400-1400B-C (600 Pcs) Machine Keys - 4x4x14 mm - Carbon Steel C45
Out of Stock | Backorder Now | Orders can be expected around Fri, May 30, 2025
Regular price $249.32 AUD
Regular price Sale price $249.32 AUD
Per 600
View the product page first if you are unsure.
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
14.00
mm
+/ - 0.25
1053199 | K-0400-0400-1400BO-C --- 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 Machine Keys - 4x4x14 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
14.00
mm
+/ - 0.25
1053199 | K-0400-0400-1400BO-C --- 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 Machine Keys - 4x4x14 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
15.00
mm
+/ - 0.25
1053212 | K-0400-0400-1500AO-C --- 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 Machine Keys - 4x4x15 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
15.00
mm
+/ - 0.25
1053212 | K-0400-0400-1500AO-C --- 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 Machine Keys - 4x4x15 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0 / - 0.030
Height (h)
4.00
mm
+ 0 / - 0.030
Length (L)
15.00
mm
+/ - 0.25
1053214 | K-0400-0400-1500B-C --- 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 Machine Keys - 4x4x15 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0 / - 0.030
Height (h)
4.00
mm
+ 0 / - 0.030
Length (L)
15.00
mm
+/ - 0.25
1053214 | K-0400-0400-1500B-C --- 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 Machine Keys - 4x4x15 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
15.00
mm
+/ - 0.25
1053216 | K-0400-0400-1500BO-C --- 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 Machine Keys - 4x4x15 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
15.00
mm
+/ - 0.25
1053216 | K-0400-0400-1500BO-C --- 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 Machine Keys - 4x4x15 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
16.00
mm
+/ - 0.25
1053233 | K-0400-0400-1600BO-C --- 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 Machine Keys - 4x4x16 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
16.00
mm
+/ - 0.25
1053233 | K-0400-0400-1600BO-C --- 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 Machine Keys - 4x4x16 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
Height (h)
4.00
mm
Length (L)
16.00
mm
1053234 | K-0400-0400-1600AB-C --- Machine Keys - 4x4x16 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard    End Type: AB (1 end rounded, other end square)   
Part Number: K-0400-0400-1600AB-C Machine Keys - 4x4x16 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $2.05 AUD
Regular price Sale price $2.05 AUD
Each
Width (W)
4.00
mm
Height (h)
4.00
mm
Length (L)
16.00
mm
1053234 | K-0400-0400-1600AB-C --- Machine Keys - 4x4x16 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard    End Type: AB (1 end rounded, other end square)   
Part Number: K-0400-0400-1600AB-C Machine Keys - 4x4x16 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $2.05 AUD
Regular price Sale price $2.05 AUD
Each
View the product page first if you are unsure.
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
16.00
mm
+/ - 0.25
1053234 | K-0400-0400-1600AO-C --- 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 Machine Keys - 4x4x16 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
16.00
mm
+/ - 0.25
1053234 | K-0400-0400-1600AO-C --- 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 Machine Keys - 4x4x16 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0 / - 0.030
Height (h)
4.00
mm
+ 0 / - 0.030
Length (L)
18.00
mm
+/ - 0.25
1053253 | K-0400-0400-1800A-C (50 Pcs) --- Machine Keys - 4x4x18 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-1800A-C (50 Pcs) Machine Keys - 4x4x18 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Fri, May 30, 2025
Regular price $54.95 AUD
Regular price Sale price $54.95 AUD
Per 50
Width (W)
4.00
mm
+ 0 / - 0.030
Height (h)
4.00
mm
+ 0 / - 0.030
Length (L)
18.00
mm
+/ - 0.25
1053253 | K-0400-0400-1800A-C (50 Pcs) --- Machine Keys - 4x4x18 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard Undersized    End Type: A (Rounded Ends)   
Part Number: K-0400-0400-1800A-C (50 Pcs) Machine Keys - 4x4x18 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Fri, May 30, 2025
Regular price $54.95 AUD
Regular price Sale price $54.95 AUD
Per 50
View the product page first if you are unsure.
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
20.00
mm
+/ - 0.25
1053260 | K-0400-0400-2000BO-C --- 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 Machine Keys - 4x4x20 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
20.00
mm
+/ - 0.25
1053260 | K-0400-0400-2000BO-C --- 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 Machine Keys - 4x4x20 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
Height (h)
4.00
mm
Length (L)
20.00
mm
1053263 | K-0400-0400-2000AB-C --- Machine Keys - 4x4x20 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard    End Type: AB (1 end rounded, other end square)   
Part Number: K-0400-0400-2000AB-C Machine Keys - 4x4x20 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $2.14 AUD
Regular price Sale price $2.14 AUD
Each
Width (W)
4.00
mm
Height (h)
4.00
mm
Length (L)
20.00
mm
1053263 | K-0400-0400-2000AB-C --- Machine Keys - 4x4x20 mm - Carbon Steel
Material: Carbon Steel    Finish: Plain    Tolerance Type: Standard    End Type: AB (1 end rounded, other end square)   
Part Number: K-0400-0400-2000AB-C Machine Keys - 4x4x20 mm - Carbon Steel
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $2.14 AUD
Regular price Sale price $2.14 AUD
Each
View the product page first if you are unsure.
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
20.00
mm
+/ - 0.25
1053266 | K-0400-0400-2000AO-C --- 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 Machine Keys - 4x4x20 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
20.00
mm
+/ - 0.25
1053266 | K-0400-0400-2000AO-C --- 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 Machine Keys - 4x4x20 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0 / - 0.030
Height (h)
4.00
mm
+ 0 / - 0.030
Length (L)
20.00
mm
+/ - 0.25
1053267 | K-0400-0400-2000B-C (100 Pcs) --- Machine Keys - 4x4x20 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0400-0400-2000B-C (100 Pcs) Machine Keys - 4x4x20 mm - Carbon Steel C45
Out of Stock | Backorder Now | Orders can be expected around Fri, May 30, 2025
Regular price $61.68 AUD
Regular price Sale price $61.68 AUD
Per 100
Width (W)
4.00
mm
+ 0 / - 0.030
Height (h)
4.00
mm
+ 0 / - 0.030
Length (L)
20.00
mm
+/ - 0.25
1053267 | K-0400-0400-2000B-C (100 Pcs) --- Machine Keys - 4x4x20 mm - Carbon Steel C45
Material: Carbon Steel C45    Finish: Plain    Tolerance Type: Standard Undersized    End Type: B (Square Ends)   
Part Number: K-0400-0400-2000B-C (100 Pcs) Machine Keys - 4x4x20 mm - Carbon Steel C45
Out of Stock | Backorder Now | Orders can be expected around Fri, May 30, 2025
Regular price $61.68 AUD
Regular price Sale price $61.68 AUD
Per 100
View the product page first if you are unsure.
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
25.00
mm
+/ - 0.25
1053289 | K-0400-0400-2500BO-C --- 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 Machine Keys - 4x4x25 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (W)
4.00
mm
+ 0.030 / - 0.0
Height (h)
4.00
mm
+ 0.030 / - 0.0
Length (L)
25.00
mm
+/ - 0.25
1053289 | K-0400-0400-2500BO-C --- 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 Machine Keys - 4x4x25 mm - Carbon Steel C45
Contact Us | Item Discontinued - Please contact us if you need a large quantity