3.9x19 BLACK ZINC Slotted pan head tapping screws DIN 7971 C
Firma Killich s.r.o. offers flat head tapping screws DIN7971C, DIN7971F (butt). DIN7971C, DIN7971F (blunt) screws in the assortment of countersunk head tapping screws DIN7971C, plain, galvanized. Slotted pan head tapping screws DIN7971C, DIN7971F (blunt) are for flat head screwdriver.
