Key Steel

Tensile and strong, our Key Steel is typically used in parallel keys. In mechanical applications, Key Steels are used to maintain the driving torque between couplings, gears, and sprockets and can also be used with moving shafts and pulleys, mechanical drums, and propellers.

Key Steels are presented in a long length of square-shaped steel and work on very tight tolerances. To choose the appropriate Key Steel for your needs, you should be aware of its cross sectional size and length. Take note that Key Steels are available in metric and imperial sizes. Use our list of Key Steel products below to find the one that best suits your needs.

For more mechanical products like V Belts and V Pulleys, Ball Bearings, Couplings & Gears, etc., simply browse through our products page.

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  1. 1/8" x 1/8" x 12" Key Steel
    £3.25 £2.71
    Width: 3.17mm (1/8")
    Depth: 3.17mm (1/8")
    Length: 12"

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  2. 4mm x 4mm x 12" Key Steel
    £3.80 £3.17
    Width: 4mm
    Depth: 4mm
    Length: 12"

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  3. 3/16" x 3/16" x 12" Key Steel
    £3.50 £2.92
    Width: 4.76mm (3/16")
    Depth: 4.76mm (3/16")
    Length: 12"

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  4. 5mm x 5mm x 12" Key Steel
    £5.21 £4.34
    Width: 5mm
    Depth: 5mm
    Length: 12"

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  5. 6mm x 6mm x 12" Key Steel
    £5.38 £4.48
    Width: 6mm
    Depth: 6mm
    Length: 12"

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  6. 1/4" x 1/4" x 12" Key Steel
    £4.75 £3.96
    Width: 6.35mm (1/4")
    Depth: 6.35mm (1/4")
    Length: 12"

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  7. 7mm x 7mm x 12" Key Steel
    £7.92 £6.60
    Width: 7mm
    Depth: 7mm
    Length: 12"

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  8. 5/16" x 5/16" x 12" Key Steel
    £5.35 £4.46
    Width: 7.94mm (5/16")
    Depth: 7.94mm (5/16")
    Length: 12"

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  9. 8mm x 8mm x 12" Key Steel
    £7.92 £6.60
    Width: 8mm
    Depth: 8mm
    Length: 12"

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  10. 3/8" x 3/8" x 12" Key Steel
    £7.26 £6.05
    Width: 9.52mm (3/8")
    Depth: 9.52mm (3/8")
    Length: 12"

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