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
Original price was: $190.50.$95.00Current price is: $95.00.
Picks, beater picks and mattocks
BSI Group , 02/15/1974
Pages: 18
