Self-drilling screwdin7504p: Flat head phillips self drilling screw DIN7504k: Hexagon washer head self drilling screw(or +EPDM) DIN7504n: Pan head phillips self drilling screw(or+rubber washer) Wafer head phillips self drilling drywall screw Bulge head fine thread self drilling screw Pan framing head(+nibs) self drilling screw etc. Products discription: Place of origin: China Material: C-1022 low/medium carbon, stainless stell, 201, 304, etc. Size: M3.5-m6.3, #6-#14 lengh: 11-165, 7/16''-7'' Surface finishing: Black oxide, hot dip galvanized, zinc, yellow zinc plated, nickel, brass plated. Dacromet, as customer's like. Packing: Boxes or bulk, DIY packing(plastic boxes), poly bag.
