Roofing screws Roofing screws provide secure metal-to-wood fastening with strong holding power, without the need to pre-drill. Sharp self-piercing point is ideal for fastening corrugated roofing panels to wood structures. Self-sealing neoprene washer provides a waterproof seal and a premium finish provides exceptional corrosion resistance in harsh outdoor environments. Installs with a standard screw gun and a 1/4 in. hex drive bit. Self Drilling Screw SELF Tapping Screw Chipboard Screw Self Tek Screw Drywall Screw Hex roofing Screw Finish: ZINC, ZINC PLATED, COLOR GALVANIZED Material: Steel, 1022A Measurement system: INCH,metric Head Style: HEX flange Place of Origin: handan city , China Brand Name: JK Model Number:8#/10#/12# Product name: hexagon self drilling screw Head: HEX head Surface treatment: Galvanized Packing: &nbs…