NA 121

DIN Standards Committee Tools and Clamping Devices

DIN 336 [CURRENT] references following documents:

Document number Edition Title
DIN 6539 1991-05 Continuous parallel shank solid hardmetal twist drills; dimensions More 
ISO 2306 1972-07 Drills for use prior to tapping screw threads More 
ISO 5864 1993-12 ISO inch screw threads; allowances and tolerances More