Collection: Keysteel Lengths - Square - Carbon Steel

Keysteel Lengths -> Square -> Carbon Steel

There are 204 products in the sub-categories of Keysteel Lengths - Square - Carbon Steel. Scroll down or follow the link to Keysteel Lengths - Square - Carbon Steel in the products table to see all these items combined into a handy table with filters.

Category Details

A selection of Carbon Steel Square Keysteel Lengths. Plain carbon steel key steel. Square steel bar that can be used for keysteel or for small construction projects.

  • An expanded range may be available on special order. Please enquire.
  • 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

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Keysteel Lengths - Square - Carbon Steel category on the Small Parts & Bearings online store.
Width (s1) Height (s2) Length (L) Indicative
Image
Square Keysteel Lengths - 3x3x3000 mm - Carbon Steel 1045
Width (s1)
3.000
mm
+ 0.051 / - 0.00
(Equiv. 0.118 in.)
Height (s2)
3.000
mm
+ 0.051 / - 0.00
(Equiv. 0.118 in.)
Length (L)
3000
mm
+/- 3.2
(Equiv. 118.11 in.)
Square Keysteel Lengths - 3x3x3000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Part Number: 4R-0030-3000-KPO (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Width (s1) Height (s2) Length (L) Indicative
Image
Square Keysteel Lengths - 3x3x3000 mm - Carbon Steel 1045
Width (s1)
3.000
mm
+ 0.051 / - 0.00
(Equiv. 0.118 in.)
Height (s2)
3.000
mm
+ 0.051 / - 0.00
(Equiv. 0.118 in.)
Length (L)
3000
mm
+/- 3.2
(Equiv. 118.11 in.)
Square Keysteel Lengths - 3x3x3000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Part Number: 4R-0030-3000-KPO (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Width (s1)
1.588
mm
+ 0.051 / - 0.00
(Equiv. 0.063 in.)
Height (s2)
1.588
mm
+ 0.051 / - 0.00
(Equiv. 0.063 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 1090
Part Number: 4R-0016-0300-KPO (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $61.86 AUD
Regular price $72.64 AUD Sale price $61.86 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Width (s1)
1.588
mm
+ 0.051 / - 0.00
(Equiv. 0.063 in.)
Height (s2)
1.588
mm
+ 0.051 / - 0.00
(Equiv. 0.063 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 1090
Part Number: 4R-0016-0300-KPO (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $61.86 AUD
Regular price $72.64 AUD Sale price $61.86 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Width (s1)
1.588
mm
+ 0 / - 0.051
(Equiv. 0.063 in.)
Height (s2)
1.588
mm
+ 0 / - 0.051
(Equiv. 0.063 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 173
Part Number: 4R-0016-0300-KPU (Pack of 5)
1 pack (5 pcs) Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $9.14 AUD
Regular price Sale price $9.14 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Width (s1)
1.588
mm
+ 0 / - 0.051
(Equiv. 0.063 in.)
Height (s2)
1.588
mm
+ 0 / - 0.051
(Equiv. 0.063 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 1.588x1.588x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 173
Part Number: 4R-0016-0300-KPU (Pack of 5)
1 pack (5 pcs) Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $9.14 AUD
Regular price Sale price $9.14 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (5 pcs) Available Now. Backorder if more than 1.
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Width (s1)
1.588
mm
+ 0.051 / - 0.00
(Equiv. 0.063 in.)
Height (s2)
1.588
mm
+ 0.051 / - 0.00
(Equiv. 0.063 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 439
Part Number: 4R-0016-0914-KPO (Each)
19 Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $7.23 AUD
Regular price Sale price $7.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 19 available can be backordered.
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Width (s1)
1.588
mm
+ 0.051 / - 0.00
(Equiv. 0.063 in.)
Height (s2)
1.588
mm
+ 0.051 / - 0.00
(Equiv. 0.063 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 439
Part Number: 4R-0016-0914-KPO (Each)
19 Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $7.23 AUD
Regular price Sale price $7.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

19 Available Now. Backorder if more than 19.
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Width (s1)
1.588
mm
+ 0 / - 0.051
(Equiv. 0.063 in.)
Height (s2)
1.588
mm
+ 0 / - 0.051
(Equiv. 0.063 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Part Number: 4R-0016-0914-KPU (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Sep 11, 2026
Regular price $724.23 AUD
Regular price $867.47 AUD Sale price $724.23 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Width (s1)
1.588
mm
+ 0 / - 0.051
(Equiv. 0.063 in.)
Height (s2)
1.588
mm
+ 0 / - 0.051
(Equiv. 0.063 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 1.588x1.588x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Part Number: 4R-0016-0914-KPU (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Sep 11, 2026
Regular price $724.23 AUD
Regular price $867.47 AUD Sale price $724.23 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 2x2x300 mm - Carbon Steel 1045
Width (s1)
2.000
mm
+ 0 / - 0.051
(Equiv. 0.079 in.)
Height (s2)
2.000
mm
+ 0 / - 0.051
(Equiv. 0.079 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 2x2x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 565
Part Number: 4R-0020-0300-KPU (Pack of 5)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $10.05 AUD
Regular price Sale price $10.05 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 2x2x300 mm - Carbon Steel 1045
Width (s1)
2.000
mm
+ 0 / - 0.051
(Equiv. 0.079 in.)
Height (s2)
2.000
mm
+ 0 / - 0.051
(Equiv. 0.079 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 2x2x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 565
Part Number: 4R-0020-0300-KPU (Pack of 5)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $10.05 AUD
Regular price Sale price $10.05 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
1800
mm
+/- 3.2
(Equiv. 70.866 in.)
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 222
Part Number: 4R-0032-1800-KPO (PK-2)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
1800
mm
+/- 3.2
(Equiv. 70.866 in.)
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 222
Part Number: 4R-0032-1800-KPO (PK-2)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Length (L)
1800
mm
+/- 3.2
(Equiv. 70.866 in.)
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 80
Part Number: 4R-0032-1800-KPU (PK-2)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Length (L)
1800
mm
+/- 3.2
(Equiv. 70.866 in.)
Square Keysteel Lengths - 3.175x3.175x1800 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 80
Part Number: 4R-0032-1800-KPU (PK-2)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Square Keysteel Lengths - 3.175x3.175x3000 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
3000
mm
+/- 3.2
(Equiv. 118.11 in.)
Square Keysteel Lengths - 3.175x3.175x3000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Part Number: 4R-0032-3000-KPO (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Square Keysteel Lengths - 3.175x3.175x3000 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
3000
mm
+/- 3.2
(Equiv. 118.11 in.)
Square Keysteel Lengths - 3.175x3.175x3000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Part Number: 4R-0032-3000-KPO (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Width (s1)
2.381
mm
+ 0.051 / - 0.00
(Equiv. 0.094 in.)
Height (s2)
2.381
mm
+ 0.051 / - 0.00
(Equiv. 0.094 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 644
Part Number: 4R-0024-0300-KPO (Pack of 5)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $18.95 AUD
Regular price Sale price $18.95 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Width (s1)
2.381
mm
+ 0.051 / - 0.00
(Equiv. 0.094 in.)
Height (s2)
2.381
mm
+ 0.051 / - 0.00
(Equiv. 0.094 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 644
Part Number: 4R-0024-0300-KPO (Pack of 5)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $18.95 AUD
Regular price Sale price $18.95 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Width (s1)
2.381
mm
+ 0 / - 0.051
(Equiv. 0.094 in.)
Height (s2)
2.381
mm
+ 0 / - 0.051
(Equiv. 0.094 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 429
Part Number: 4R-0024-0300-KPU (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $9.23 AUD
Regular price Sale price $9.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Width (s1)
2.381
mm
+ 0 / - 0.051
(Equiv. 0.094 in.)
Height (s2)
2.381
mm
+ 0 / - 0.051
(Equiv. 0.094 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 2.381x2.381x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 429
Part Number: 4R-0024-0300-KPU (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $9.23 AUD
Regular price Sale price $9.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Width (s1)
2.381
mm
+ 0.051 / - 0.00
(Equiv. 0.094 in.)
Height (s2)
2.381
mm
+ 0.051 / - 0.00
(Equiv. 0.094 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 512
Part Number: 4R-0024-0914-KPO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $5.41 AUD
Regular price $6.29 AUD Sale price $5.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Width (s1)
2.381
mm
+ 0.051 / - 0.00
(Equiv. 0.094 in.)
Height (s2)
2.381
mm
+ 0.051 / - 0.00
(Equiv. 0.094 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 512
Part Number: 4R-0024-0914-KPO (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $5.41 AUD
Regular price $6.29 AUD Sale price $5.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Width (s1)
2.381
mm
+ 0 / - 0.051
(Equiv. 0.094 in.)
Height (s2)
2.381
mm
+ 0 / - 0.051
(Equiv. 0.094 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 636
Part Number: 4R-0024-0914-KPU (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $15.41 AUD
Regular price $17.89 AUD Sale price $15.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Width (s1)
2.381
mm
+ 0 / - 0.051
(Equiv. 0.094 in.)
Height (s2)
2.381
mm
+ 0 / - 0.051
(Equiv. 0.094 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 2.381x2.381x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 636
Part Number: 4R-0024-0914-KPU (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $15.41 AUD
Regular price $17.89 AUD Sale price $15.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3x3x300 mm - Carbon Steel 1045
Width (s1)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3x3x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 323
Part Number: 4R-0030-0300-KPU (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3x3x300 mm - Carbon Steel 1045
Width (s1)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3x3x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 323
Part Number: 4R-0030-0300-KPU (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $5.41 AUD
Regular price Sale price $5.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3x3x1000 mm - Carbon Steel 1045
Width (s1)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Length (L)
1000
mm
+/- 3.2
(Equiv. 39.37 in.)
Square Keysteel Lengths - 3x3x1000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 155
Part Number: 4R-0030-1000-KPU (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $10.68 AUD
Regular price $12.42 AUD Sale price $10.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3x3x1000 mm - Carbon Steel 1045
Width (s1)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Height (s2)
3.000
mm
+ 0 / - 0.051
(Equiv. 0.118 in.)
Length (L)
1000
mm
+/- 3.2
(Equiv. 39.37 in.)
Square Keysteel Lengths - 3x3x1000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 155
Part Number: 4R-0030-1000-KPU (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $10.68 AUD
Regular price $12.42 AUD Sale price $10.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 4x4x3000 mm - Carbon Steel 1045
Width (s1)
4.000
mm
+ 0.051 / - 0.00
(Equiv. 0.157 in.)
Height (s2)
4.000
mm
+ 0.051 / - 0.00
(Equiv. 0.157 in.)
Length (L)
3000
mm
+/- 3.2
(Equiv. 118.11 in.)
Square Keysteel Lengths - 4x4x3000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Part Number: 4R-0040-3000-KPO (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Square Keysteel Lengths - 4x4x3000 mm - Carbon Steel 1045
Width (s1)
4.000
mm
+ 0.051 / - 0.00
(Equiv. 0.157 in.)
Height (s2)
4.000
mm
+ 0.051 / - 0.00
(Equiv. 0.157 in.)
Length (L)
3000
mm
+/- 3.2
(Equiv. 118.11 in.)
Square Keysteel Lengths - 4x4x3000 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Part Number: 4R-0040-3000-KPO (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Mon, Apr 30, 2029
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 343
Part Number: 4R-0032-0300-KPO (Pack of 7)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $8.86 AUD
Regular price $10.24 AUD Sale price $8.86 AUD
Priced, Stocked and Sold Per pack of 7
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 343
Part Number: 4R-0032-0300-KPO (Pack of 7)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $8.86 AUD
Regular price $10.24 AUD Sale price $8.86 AUD
Priced, Stocked and Sold Per pack of 7
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 1021
Part Number: 4R-0032-0300-KPU (Pack of 7)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $19.41 AUD
Regular price $22.69 AUD Sale price $19.41 AUD
Priced, Stocked and Sold Per pack of 7
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3.175x3.175x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 1021
Part Number: 4R-0032-0300-KPU (Pack of 7)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $19.41 AUD
Regular price $22.69 AUD Sale price $19.41 AUD
Priced, Stocked and Sold Per pack of 7
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 536
Part Number: 4R-0032-0914-KPU (Pack of 3)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Sep 06, 2026
Regular price $26.86 AUD
Regular price $31.24 AUD Sale price $26.86 AUD
Priced, Stocked and Sold Per pack of 3
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0 / - 0.051
(Equiv. 0.125 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 536
Part Number: 4R-0032-0914-KPU (Pack of 3)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Sep 06, 2026
Regular price $26.86 AUD
Regular price $31.24 AUD Sale price $26.86 AUD
Priced, Stocked and Sold Per pack of 3
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 82
Part Number: 4R-0032-0914-KPO (Pack of 3)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $13.59 AUD
Regular price $15.71 AUD Sale price $13.59 AUD
Priced, Stocked and Sold Per pack of 3
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Width (s1)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Height (s2)
3.175
mm
+ 0.051 / - 0.00
(Equiv. 0.125 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 3.175x3.175x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 82
Part Number: 4R-0032-0914-KPO (Pack of 3)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $13.59 AUD
Regular price $15.71 AUD Sale price $13.59 AUD
Priced, Stocked and Sold Per pack of 3
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045
Width (s1)
3.969
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Height (s2)
3.969
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 880
Part Number: 4R-0039-0300-KPO (Each)
45 Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $8.50 AUD
Regular price Sale price $8.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 45 available can be backordered.
Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045
Width (s1)
3.969
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Height (s2)
3.969
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 3.969x3.969x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 880
Part Number: 4R-0039-0300-KPO (Each)
45 Available Now | Further orders can be expected around Wed, Sep 02, 2026
Regular price $8.50 AUD
Regular price Sale price $8.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

45 Available Now. Backorder if more than 45.
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Width (s1)
3.969
mm
+ 0 / - 0.051
(Equiv. 0.156 in.)
Height (s2)
3.969
mm
+ 0 / - 0.051
(Equiv. 0.156 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 7
Part Number: 4R-0040-0914-KPU (Pack of 16)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $286.95 AUD
Regular price $342.75 AUD Sale price $286.95 AUD
Priced, Stocked and Sold Per pack of 16
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Width (s1)
3.969
mm
+ 0 / - 0.051
(Equiv. 0.156 in.)
Height (s2)
3.969
mm
+ 0 / - 0.051
(Equiv. 0.156 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 7
Part Number: 4R-0040-0914-KPU (Pack of 16)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $286.95 AUD
Regular price $342.75 AUD Sale price $286.95 AUD
Priced, Stocked and Sold Per pack of 16
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Width (s1)
3.969
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Height (s2)
3.969
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 206
Part Number: 4R-0040-0914-KPO (Pack of 2)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $25.23 AUD
Regular price $29.27 AUD Sale price $25.23 AUD
Priced, Stocked and Sold Per pack of 2
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Width (s1)
3.969
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Height (s2)
3.969
mm
+ 0.051 / - 0.00
(Equiv. 0.156 in.)
Length (L)
914
mm
+/- 3.2
(Equiv. 35.984 in.)
Square Keysteel Lengths - 3.969x3.969x914 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Oversized    End Colour Code: Blue   
Additional stock available from USA subject to Prior Sale = 206
Part Number: 4R-0040-0914-KPO (Pack of 2)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $25.23 AUD
Regular price $29.27 AUD Sale price $25.23 AUD
Priced, Stocked and Sold Per pack of 2
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Width (s1)
4.000
mm
+ 0 / - 0.051
(Equiv. 0.157 in.)
Height (s2)
4.000
mm
+ 0 / - 0.051
(Equiv. 0.157 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 149
Part Number: 4R-0040-0300-KPU (Pack of 5)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $11.68 AUD
Regular price $13.62 AUD Sale price $11.68 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Width (s1)
4.000
mm
+ 0 / - 0.051
(Equiv. 0.157 in.)
Height (s2)
4.000
mm
+ 0 / - 0.051
(Equiv. 0.157 in.)
Length (L)
300
mm
+/- 3.2
(Equiv. 11.811 in.)
Square Keysteel Lengths - 4x4x300 mm - Carbon Steel 1045
Material: Carbon Steel 1045    Finish: Plain    Tolerance Type: Standard Undersized    End Colour Code: Red   
Additional stock available from USA subject to Prior Sale = 149
Part Number: 4R-0040-0300-KPU (Pack of 5)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 02, 2026
Regular price $11.68 AUD
Regular price $13.62 AUD Sale price $11.68 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.