NA 121

DIN Standards Committee Tools and Clamping Devices

DIN 20311 [CURRENT] references following documents:

Document number Edition Title
DIN ISO 2768-1 1991-06 General tolerances; tolerances for linear and angular dimensions without individual tolerance indications; identical with ISO 2768-1:1989 More 
DIN 20314 1990-06 Screw threads for drill tubes will diameters exceeding 100 mm for large hole boring in mining More