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Recent content by clatford

  1. clatford

    Spanner size - Bolt Size.

    Oh! what a tangled net.......!!! Whitworth or British Standard Whitworth (BSW) nuts and bolts use the same spanners as do British Standard Fine (BSF). BSF bolts have a smaller head ie 'across flats' dimension than Whitworth for the same bolt diameter, by one sixteenth in the spanner rating...
  2. clatford

    Spanner size - Bolt Size.

    Hi Blueprint, You might find some help on the following : http://www.geocities.com/Axiom43/nutsnbolts.html Hope it saves you a journey! Mike.

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