DIN 34825-1 - DRAFT
DIN 34825-1 - DRAFT
Draft Document - Cylindrical head screws with inner contact flange - Part 1: Driving feature 12 point socketstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/2017
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/2017