Collection: Keysteel Lengths - Rectangular - Carbon Steel

231 Products in this selection
  • Plain carbon steel key steel. Rectangular steel bar that can be used for keysteel or for small construction projects.
  • Use oversized for replacing keys where the keyway may be slightly worn - standard aftermarket keysteel
  • Use undersized for manufacturing and new applications where the keyway tolerances can be controlled
Additional resources:
Keysteel Catalogue PDF
A more concise listing may be found on the Smallparts store at Keysteel Lengths - Rectangular - Carbon Steel. Smallparts promote the most popular MBA products.
Width (s1) Height (s2) Length (L) Indicative
Image
Width (s1)
25.400
mm
+ 0 / - 0.076
(1 in.)
Height (s2)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Rectangular Keysteel Lengths - 25.4x38.1x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0254-0381-0914-KPU Rectangular Keysteel Lengths - 25.4x38.1x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $595.23 AUD
Regular price Sale price $595.23 AUD
Each
Width (s1) Height (s2) Length (L) Indicative
Image
Width (s1)
25.400
mm
+ 0 / - 0.076
(1 in.)
Height (s2)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Rectangular Keysteel Lengths - 25.4x38.1x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0254-0381-0914-KPU Rectangular Keysteel Lengths - 25.4x38.1x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $595.23 AUD
Regular price Sale price $595.23 AUD
Each
View the product page first if you are unsure.
Width (s1)
25.400
mm
+ 0 / - 0.076
(1 in.)
Height (s2)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Length (L)
1800
mm
+/- 3.2
(70.866 in.)
Rectangular Keysteel Lengths - 25.4x38.1x1800 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0254-0381-1800-KPU (12 Pcs) Rectangular Keysteel Lengths - 25.4x38.1x1800 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
25.400
mm
+ 0 / - 0.076
(1 in.)
Height (s2)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Length (L)
1800
mm
+/- 3.2
(70.866 in.)
Rectangular Keysteel Lengths - 25.4x38.1x1800 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0254-0381-1800-KPU (12 Pcs) Rectangular Keysteel Lengths - 25.4x38.1x1800 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
25.400
mm
+ 0 / - 0.076
(1 in.)
Height (s2)
44.450
mm
+ 0 / - 0.076
(1.75 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 25.4x44.45x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0254-0445-0300-KPU (5 Pcs) Rectangular Keysteel Lengths - 25.4x44.45x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Thu, Jul 10, 2025
Regular price $1,757.68 AUD
Regular price Sale price $1,757.68 AUD
Per 5
Width (s1)
25.400
mm
+ 0 / - 0.076
(1 in.)
Height (s2)
44.450
mm
+ 0 / - 0.076
(1.75 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 25.4x44.45x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0254-0445-0300-KPU (5 Pcs) Rectangular Keysteel Lengths - 25.4x44.45x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Thu, Jul 10, 2025
Regular price $1,757.68 AUD
Regular price Sale price $1,757.68 AUD
Per 5
View the product page first if you are unsure.
Width (s1)
25.400
mm
+ 0 / - 0.076
(1 in.)
Height (s2)
50.800
mm
+ 0 / - 0.076
(2 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 25.4x50.8x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0254-0508-0300-KPU Rectangular Keysteel Lengths - 25.4x50.8x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $267.77 AUD
Regular price Sale price $267.77 AUD
Each
Width (s1)
25.400
mm
+ 0 / - 0.076
(1 in.)
Height (s2)
50.800
mm
+ 0 / - 0.076
(2 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 25.4x50.8x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0254-0508-0300-KPU Rectangular Keysteel Lengths - 25.4x50.8x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $267.77 AUD
Regular price Sale price $267.77 AUD
Each
View the product page first if you are unsure.
Width (s1)
28.000
mm
+ 0.102 / - 0.00
(1.102 in.)
Height (s2)
50.000
mm
+ 0.102 / - 0.00
(1.969 in.)
Length (L)
3000
mm
+/- 3.2
(118.11 in.)
Rectangular Keysteel Lengths - 28x50x3000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 2R-0280-0500-3000-KPO Rectangular Keysteel Lengths - 28x50x3000 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
28.000
mm
+ 0.102 / - 0.00
(1.102 in.)
Height (s2)
50.000
mm
+ 0.102 / - 0.00
(1.969 in.)
Length (L)
3000
mm
+/- 3.2
(118.11 in.)
Rectangular Keysteel Lengths - 28x50x3000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 2R-0280-0500-3000-KPO Rectangular Keysteel Lengths - 28x50x3000 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
28.575
mm
+ 0 / - 0.076
(1.125 in.)
Height (s2)
31.750
mm
+ 0 / - 0.076
(1.25 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 28.575x31.75x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0286-0318-0300-KPU Rectangular Keysteel Lengths - 28.575x31.75x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $250.68 AUD
Regular price Sale price $250.68 AUD
Each
Width (s1)
28.575
mm
+ 0 / - 0.076
(1.125 in.)
Height (s2)
31.750
mm
+ 0 / - 0.076
(1.25 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 28.575x31.75x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0286-0318-0300-KPU Rectangular Keysteel Lengths - 28.575x31.75x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $250.68 AUD
Regular price Sale price $250.68 AUD
Each
View the product page first if you are unsure.
Width (s1)
28.575
mm
+ 0 / - 0.076
(1.125 in.)
Height (s2)
31.750
mm
+ 0 / - 0.076
(1.25 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Rectangular Keysteel Lengths - 28.575x31.75x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0286-0318-0914-KPU (8 Pcs) Rectangular Keysteel Lengths - 28.575x31.75x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 17, 2025
Regular price $5,375.32 AUD
Regular price Sale price $5,375.32 AUD
Per 8
Width (s1)
28.575
mm
+ 0 / - 0.076
(1.125 in.)
Height (s2)
31.750
mm
+ 0 / - 0.076
(1.25 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Rectangular Keysteel Lengths - 28.575x31.75x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0286-0318-0914-KPU (8 Pcs) Rectangular Keysteel Lengths - 28.575x31.75x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 17, 2025
Regular price $5,375.32 AUD
Regular price Sale price $5,375.32 AUD
Per 8
View the product page first if you are unsure.
Width (s1)
31.750
mm
+ 0 / - 0.076
(1.25 in.)
Height (s2)
31.750
mm
+ 0 / - 0.076
(1.25 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 31.75x31.75x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0318-0318-0300-KPU Rectangular Keysteel Lengths - 31.75x31.75x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $250.23 AUD
Regular price Sale price $250.23 AUD
Each
Width (s1)
31.750
mm
+ 0 / - 0.076
(1.25 in.)
Height (s2)
31.750
mm
+ 0 / - 0.076
(1.25 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 31.75x31.75x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0318-0318-0300-KPU Rectangular Keysteel Lengths - 31.75x31.75x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $250.23 AUD
Regular price Sale price $250.23 AUD
Each
View the product page first if you are unsure.
Width (s1)
31.750
mm
+ 0.076 / - 0.00
(1.25 in.)
Height (s2)
38.100
mm
+ 0.076 / - 0.00
(1.5 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 31.75x38.1x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 2R-0318-0381-0300-KPO Rectangular Keysteel Lengths - 31.75x38.1x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $240.23 AUD
Regular price Sale price $240.23 AUD
Each
Width (s1)
31.750
mm
+ 0.076 / - 0.00
(1.25 in.)
Height (s2)
38.100
mm
+ 0.076 / - 0.00
(1.5 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 31.75x38.1x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 2R-0318-0381-0300-KPO Rectangular Keysteel Lengths - 31.75x38.1x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $240.23 AUD
Regular price Sale price $240.23 AUD
Each
View the product page first if you are unsure.
Width (s1)
31.750
mm
+ 0.076 / - 0.00
(1.25 in.)
Height (s2)
38.100
mm
+ 0.076 / - 0.00
(1.5 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Rectangular Keysteel Lengths - 31.75x38.1x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 2R-0318-0381-0914-KPO Rectangular Keysteel Lengths - 31.75x38.1x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $721.86 AUD
Regular price Sale price $721.86 AUD
Each
Width (s1)
31.750
mm
+ 0.076 / - 0.00
(1.25 in.)
Height (s2)
38.100
mm
+ 0.076 / - 0.00
(1.5 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Rectangular Keysteel Lengths - 31.75x38.1x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 2R-0318-0381-0914-KPO Rectangular Keysteel Lengths - 31.75x38.1x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $721.86 AUD
Regular price Sale price $721.86 AUD
Each
View the product page first if you are unsure.
Width (s1)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Height (s2)
44.450
mm
+ 0 / - 0.076
(1.75 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 38.1x44.45x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0381-0445-0300-KPU Rectangular Keysteel Lengths - 38.1x44.45x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $479.14 AUD
Regular price Sale price $479.14 AUD
Each
Width (s1)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Height (s2)
44.450
mm
+ 0 / - 0.076
(1.75 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 38.1x44.45x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0381-0445-0300-KPU Rectangular Keysteel Lengths - 38.1x44.45x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $479.14 AUD
Regular price Sale price $479.14 AUD
Each
View the product page first if you are unsure.
Width (s1)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Height (s2)
44.450
mm
+ 0 / - 0.076
(1.75 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Rectangular Keysteel Lengths - 38.1x44.45x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0381-0445-0914-KPU Rectangular Keysteel Lengths - 38.1x44.45x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $1,404.95 AUD
Regular price Sale price $1,404.95 AUD
Each
Width (s1)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Height (s2)
44.450
mm
+ 0 / - 0.076
(1.75 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Rectangular Keysteel Lengths - 38.1x44.45x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0381-0445-0914-KPU Rectangular Keysteel Lengths - 38.1x44.45x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $1,404.95 AUD
Regular price Sale price $1,404.95 AUD
Each
View the product page first if you are unsure.
Width (s1)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Height (s2)
44.450
mm
+ 0 / - 0.076
(1.75 in.)
Length (L)
1800
mm
+/- 3.2
(70.866 in.)
Rectangular Keysteel Lengths - 38.1x44.45x1800 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0381-0445-1800-KPU (2 Pcs) Rectangular Keysteel Lengths - 38.1x44.45x1800 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Height (s2)
44.450
mm
+ 0 / - 0.076
(1.75 in.)
Length (L)
1800
mm
+/- 3.2
(70.866 in.)
Rectangular Keysteel Lengths - 38.1x44.45x1800 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0381-0445-1800-KPU (2 Pcs) Rectangular Keysteel Lengths - 38.1x44.45x1800 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Height (s2)
50.800
mm
+ 0 / - 0.076
(2 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 38.1x50.8x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0381-0508-0300-KPU Rectangular Keysteel Lengths - 38.1x50.8x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $375.68 AUD
Regular price Sale price $375.68 AUD
Each
Width (s1)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Height (s2)
50.800
mm
+ 0 / - 0.076
(2 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Rectangular Keysteel Lengths - 38.1x50.8x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0381-0508-0300-KPU Rectangular Keysteel Lengths - 38.1x50.8x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $375.68 AUD
Regular price Sale price $375.68 AUD
Each
View the product page first if you are unsure.
Width (s1)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Height (s2)
50.800
mm
+ 0 / - 0.076
(2 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Rectangular Keysteel Lengths - 38.1x50.8x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0381-0508-0914-KPU Rectangular Keysteel Lengths - 38.1x50.8x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $1,101.86 AUD
Regular price Sale price $1,101.86 AUD
Each
Width (s1)
38.100
mm
+ 0 / - 0.076
(1.5 in.)
Height (s2)
50.800
mm
+ 0 / - 0.076
(2 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Rectangular Keysteel Lengths - 38.1x50.8x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 2R-0381-0508-0914-KPU Rectangular Keysteel Lengths - 38.1x50.8x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $1,101.86 AUD
Regular price Sale price $1,101.86 AUD
Each
View the product page first if you are unsure.