BS 1421:1947

Picks, beater picks and mattocks

BSI Group , 02/15/1974

Publisher: BS

File Format: PDF

$95.00$190.50

Description

Standard By:BSI Group , 02/15/1974

Published:02/15/1974

Pages:18

ISBN(s):null

File Size:1 file

Language:English

Note:This product is unavailable in Ukraine, Russia, Belarus

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.