hex washer head self drilling screw carbon steel hardened YZP Diameter from ... -K, DIN7504-N Hardened steel hex washer head self drilling screwZP, YZP, BZP, or SS410 stainless steelHead Type: ... ZP or YZP, BZP, brass, bronze coated optionsFull threaded drilling, double threadedRegular supply in stock goods!CS ZP, YZP ... and SS410 plain drilling screws#3.5, #4.2, #4.819mm to ...