• BS 1421:1947

BS 1421:1947

Picks, beater picks and mattocks

BSI Group , 02/15/1974

Publisher: BS

File Format: PDF

$95.00$190.50


Eight implements in 28 weights and sizes comprising: navvy picks with chisel and point, and double point ends; beater picks with point and fish-tail, and point and tee ends; mattocks with point and mattock, cutter and mattock, and chisel and axe ends. Dimensions of eyes and implements; quality and hardness of steel: tolerances on dimensions and tests. Requirements for helves.

BS 1421:1947 History

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