M4x8 ZINC Blue nylon Patch 180 Thread forming screws TORX 20 DIN 7500 M
Firma Killich s.r.o. It offers self-tapping screws according to DIN 7500. In the assortment of self-tapping screws according to DIN 7500, the countersunk, half-round and hexagon head screws are made of steel - galvanized and A2 stainless steel.
