Collection: Keysteel Lengths - Square - Carbon Steel

205 Products in this selection
  • Plain carbon steel key steel. Square 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 - Square - Carbon Steel. Smallparts promote the most popular MBA products.
Width (s1) Height (s2) Length (L) Indicative
Image
Width (s1)
1.588
mm
+ 0.051 / - 0.00
(0.063 in.)
Height (s2)
1.588
mm
+ 0.051 / - 0.00
(0.063 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0016-0300-KPO (50 Pcs) Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $43.05 AUD
Regular price $51.65 AUD Sale price $43.05 AUD
Per 50
Width (s1) Height (s2) Length (L) Indicative
Image
Width (s1)
1.588
mm
+ 0.051 / - 0.00
(0.063 in.)
Height (s2)
1.588
mm
+ 0.051 / - 0.00
(0.063 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0016-0300-KPO (50 Pcs) Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $43.05 AUD
Regular price $51.65 AUD Sale price $43.05 AUD
Per 50
View the product page first if you are unsure.
Width (s1)
1.588
mm
+ 0 / - 0.051
(0.063 in.)
Height (s2)
1.588
mm
+ 0 / - 0.051
(0.063 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0016-0300-KPU (5 Pcs) Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
1 pack (5 pcs) Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Per 5
Width (s1)
1.588
mm
+ 0 / - 0.051
(0.063 in.)
Height (s2)
1.588
mm
+ 0 / - 0.051
(0.063 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0016-0300-KPU (5 Pcs) Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
1 pack (5 pcs) Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Per 5
View the product page first if you are unsure.
Width (s1)
1.588
mm
+ 0.051 / - 0.00
(0.063 in.)
Height (s2)
1.588
mm
+ 0.051 / - 0.00
(0.063 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0016-0914-KPO Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
19 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $4.14 AUD
Regular price Sale price $4.14 AUD
Each
Width (s1)
1.588
mm
+ 0.051 / - 0.00
(0.063 in.)
Height (s2)
1.588
mm
+ 0.051 / - 0.00
(0.063 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0016-0914-KPO Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
19 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $4.14 AUD
Regular price Sale price $4.14 AUD
Each
View the product page first if you are unsure.
Width (s1)
1.588
mm
+ 0 / - 0.051
(0.063 in.)
Height (s2)
1.588
mm
+ 0 / - 0.051
(0.063 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0016-0914-KPU (50 Pcs) Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 14, 2025
Regular price $338.68 AUD
Regular price $406.42 AUD Sale price $338.68 AUD
Per 50
Width (s1)
1.588
mm
+ 0 / - 0.051
(0.063 in.)
Height (s2)
1.588
mm
+ 0 / - 0.051
(0.063 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0016-0914-KPU (50 Pcs) Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Mon, Jul 14, 2025
Regular price $338.68 AUD
Regular price $406.42 AUD Sale price $338.68 AUD
Per 50
View the product page first if you are unsure.
Width (s1)
2.000
mm
+ 0 / - 0.051
(0.079 in.)
Height (s2)
2.000
mm
+ 0 / - 0.051
(0.079 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 2x2x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0020-0300-KPU (5 Pcs) Square Keysteel Lengths - 2x2x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $7.05 AUD
Regular price $8.45 AUD Sale price $7.05 AUD
Per 5
Width (s1)
2.000
mm
+ 0 / - 0.051
(0.079 in.)
Height (s2)
2.000
mm
+ 0 / - 0.051
(0.079 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 2x2x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0020-0300-KPU (5 Pcs) Square Keysteel Lengths - 2x2x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $7.05 AUD
Regular price $8.45 AUD Sale price $7.05 AUD
Per 5
View the product page first if you are unsure.
Width (s1)
2.381
mm
+ 0 / - 0.051
(0.094 in.)
Height (s2)
2.381
mm
+ 0 / - 0.051
(0.094 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0024-0300-KPU Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $5.59 AUD
Regular price Sale price $5.59 AUD
Each
Width (s1)
2.381
mm
+ 0 / - 0.051
(0.094 in.)
Height (s2)
2.381
mm
+ 0 / - 0.051
(0.094 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0024-0300-KPU Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $5.59 AUD
Regular price Sale price $5.59 AUD
Each
View the product page first if you are unsure.
Width (s1)
2.381
mm
+ 0.051 / - 0.00
(0.094 in.)
Height (s2)
2.381
mm
+ 0.051 / - 0.00
(0.094 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0024-0300-KPO (5 Pcs) Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $17.77 AUD
Regular price Sale price $17.77 AUD
Per 5
Width (s1)
2.381
mm
+ 0.051 / - 0.00
(0.094 in.)
Height (s2)
2.381
mm
+ 0.051 / - 0.00
(0.094 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0024-0300-KPO (5 Pcs) Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $17.77 AUD
Regular price Sale price $17.77 AUD
Per 5
View the product page first if you are unsure.
Width (s1)
2.381
mm
+ 0.051 / - 0.00
(0.094 in.)
Height (s2)
2.381
mm
+ 0.051 / - 0.00
(0.094 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0024-0914-KPO Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $4.68 AUD
Regular price $5.62 AUD Sale price $4.68 AUD
Each
Width (s1)
2.381
mm
+ 0.051 / - 0.00
(0.094 in.)
Height (s2)
2.381
mm
+ 0.051 / - 0.00
(0.094 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0024-0914-KPO Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $4.68 AUD
Regular price $5.62 AUD Sale price $4.68 AUD
Each
View the product page first if you are unsure.
Width (s1)
2.381
mm
+ 0 / - 0.051
(0.094 in.)
Height (s2)
2.381
mm
+ 0 / - 0.051
(0.094 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0024-0914-KPU Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $9.59 AUD
Regular price $11.51 AUD Sale price $9.59 AUD
Each
Width (s1)
2.381
mm
+ 0 / - 0.051
(0.094 in.)
Height (s2)
2.381
mm
+ 0 / - 0.051
(0.094 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0024-0914-KPU Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $9.59 AUD
Regular price $11.51 AUD Sale price $9.59 AUD
Each
View the product page first if you are unsure.
Width (s1)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3x3x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0030-0300-KPU Square Keysteel Lengths - 3x3x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $5.05 AUD
Regular price Sale price $5.05 AUD
Each
Width (s1)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3x3x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0030-0300-KPU Square Keysteel Lengths - 3x3x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $5.05 AUD
Regular price Sale price $5.05 AUD
Each
View the product page first if you are unsure.
Width (s1)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Length (L)
1000
mm
+/- 3.2
(39.37 in.)
Square Keysteel Lengths - 3x3x1000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0030-1000-KPU Square Keysteel Lengths - 3x3x1000 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $9.59 AUD
Regular price $11.51 AUD Sale price $9.59 AUD
Each
Width (s1)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(0.118 in.)
Length (L)
1000
mm
+/- 3.2
(39.37 in.)
Square Keysteel Lengths - 3x3x1000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0030-1000-KPU Square Keysteel Lengths - 3x3x1000 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $9.59 AUD
Regular price $11.51 AUD Sale price $9.59 AUD
Each
View the product page first if you are unsure.
Width (s1)
3.000
mm
+ 0.051 / - 0.00
(0.118 in.)
Height (s2)
3.000
mm
+ 0.051 / - 0.00
(0.118 in.)
Length (L)
3000
mm
+/- 3.2
(118.11 in.)
Square Keysteel Lengths - 3x3x3000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0030-3000-KPO Square Keysteel Lengths - 3x3x3000 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
3.000
mm
+ 0.051 / - 0.00
(0.118 in.)
Height (s2)
3.000
mm
+ 0.051 / - 0.00
(0.118 in.)
Length (L)
3000
mm
+/- 3.2
(118.11 in.)
Square Keysteel Lengths - 3x3x3000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0030-3000-KPO Square Keysteel Lengths - 3x3x3000 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0032-0300-KPU (7 Pcs) Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $15.95 AUD
Regular price $19.15 AUD Sale price $15.95 AUD
Per 7
Width (s1)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0032-0300-KPU (7 Pcs) Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $15.95 AUD
Regular price $19.15 AUD Sale price $15.95 AUD
Per 7
View the product page first if you are unsure.
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0032-0300-KPO (7 Pcs) Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $8.86 AUD
Regular price $10.64 AUD Sale price $8.86 AUD
Per 7
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0032-0300-KPO (7 Pcs) Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $8.86 AUD
Regular price $10.64 AUD Sale price $8.86 AUD
Per 7
View the product page first if you are unsure.
Width (s1)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0032-0914-KPU (3 Pcs) Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $20.59 AUD
Regular price $24.71 AUD Sale price $20.59 AUD
Per 3
Width (s1)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0032-0914-KPU (3 Pcs) Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $20.59 AUD
Regular price $24.71 AUD Sale price $20.59 AUD
Per 3
View the product page first if you are unsure.
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0032-0914-KPO (3 Pcs) Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $13.05 AUD
Regular price $15.65 AUD Sale price $13.05 AUD
Per 3
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0032-0914-KPO (3 Pcs) Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $13.05 AUD
Regular price $15.65 AUD Sale price $13.05 AUD
Per 3
View the product page first if you are unsure.
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Length (L)
1800
mm
+/- 3.2
(70.866 in.)
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0032-1800-KPO (2 Pcs) Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Length (L)
1800
mm
+/- 3.2
(70.866 in.)
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0032-1800-KPO (2 Pcs) Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Length (L)
1800
mm
+/- 3.2
(70.866 in.)
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0032-1800-KPU (2 Pcs) Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(0.125 in.)
Length (L)
1800
mm
+/- 3.2
(70.866 in.)
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0032-1800-KPU (2 Pcs) Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Length (L)
3000
mm
+/- 3.2
(118.11 in.)
Square Keysteel Lengths - 3.175x3.175x3000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0032-3000-KPO Square Keysteel Lengths - 3.175x3.175x3000 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(0.125 in.)
Length (L)
3000
mm
+/- 3.2
(118.11 in.)
Square Keysteel Lengths - 3.175x3.175x3000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0032-3000-KPO Square Keysteel Lengths - 3.175x3.175x3000 mm - Carbon Steel 1045
Contact Us | Item Discontinued - Please contact us if you need a large quantity
Width (s1)
3.969
mm
+ 0.051 / - 0.00
(0.156 in.)
Height (s2)
3.969
mm
+ 0.051 / - 0.00
(0.156 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0039-0300-KPO Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045
45 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $7.86 AUD
Regular price Sale price $7.86 AUD
Each
Width (s1)
3.969
mm
+ 0.051 / - 0.00
(0.156 in.)
Height (s2)
3.969
mm
+ 0.051 / - 0.00
(0.156 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0039-0300-KPO Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045
45 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $7.86 AUD
Regular price Sale price $7.86 AUD
Each
View the product page first if you are unsure.
Width (s1)
3.969
mm
+ 0.051 / - 0.00
(0.156 in.)
Height (s2)
3.969
mm
+ 0.051 / - 0.00
(0.156 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0040-0914-KPO (2 Pcs) Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $22.59 AUD
Regular price $27.11 AUD Sale price $22.59 AUD
Per 2
Width (s1)
3.969
mm
+ 0.051 / - 0.00
(0.156 in.)
Height (s2)
3.969
mm
+ 0.051 / - 0.00
(0.156 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0040-0914-KPO (2 Pcs) Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $22.59 AUD
Regular price $27.11 AUD Sale price $22.59 AUD
Per 2
View the product page first if you are unsure.
Width (s1)
3.969
mm
+ 0 / - 0.051
(0.156 in.)
Height (s2)
3.969
mm
+ 0 / - 0.051
(0.156 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0040-0914-KPU (16 Pcs) Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $209.23 AUD
Regular price $251.07 AUD Sale price $209.23 AUD
Per 16
Width (s1)
3.969
mm
+ 0 / - 0.051
(0.156 in.)
Height (s2)
3.969
mm
+ 0 / - 0.051
(0.156 in.)
Length (L)
914
mm
+/- 3.2
(35.984 in.)
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0040-0914-KPU (16 Pcs) Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $209.23 AUD
Regular price $251.07 AUD Sale price $209.23 AUD
Per 16
View the product page first if you are unsure.
Width (s1)
4.000
mm
+ 0.051 / - 0.00
(0.157 in.)
Height (s2)
4.000
mm
+ 0.051 / - 0.00
(0.157 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0040-0300-KPO Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
27 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Each
Width (s1)
4.000
mm
+ 0.051 / - 0.00
(0.157 in.)
Height (s2)
4.000
mm
+ 0.051 / - 0.00
(0.157 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized   
Part Number: 4R-0040-0300-KPO Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
27 Available Immediately | Further orders can be expected around Sat, Jul 05, 2025
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Each
View the product page first if you are unsure.
Width (s1)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Height (s2)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0040-0300-KPU (5 Pcs) Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $9.23 AUD
Regular price $11.07 AUD Sale price $9.23 AUD
Per 5
Width (s1)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Height (s2)
4.000
mm
+ 0 / - 0.051
(0.157 in.)
Length (L)
300
mm
+/- 3.2
(11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized   
Part Number: 4R-0040-0300-KPU (5 Pcs) Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 05, 2025
Regular price $9.23 AUD
Regular price $11.07 AUD Sale price $9.23 AUD
Per 5
View the product page first if you are unsure.