External Tooth Lock

Find our full fastener range here! Sizes, grades, finishes, and useful resources are also included.

Check out our full product range including the different finishes, diameters, and metric/imperial sizes on offer.

This resource provides a measurement guide for hardened washer standard tolerances based on the ASTM standard F436.

Learn more about the different types of washers we stock and the different finishes available.

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