Cross Recessed Pan Head Drilling Screws With Tapping Screw Thread
DIN 7504 (N) - 1982
Display drawing:
*Models with different eras.
①,Material: Case hardening steel in accordance with DIN 17210 or heat treatable steel in accordance with DIN 17200 shall be used as the material for drilling screws, at manufaturer's discretion. Other steels of equivalent quality are authorized. Other materials require prior mutual agreement. |