Building Roofing Rubber Washer Hex Head drill Screws 

Building Roofing Rubber Washer Hex Head drill Screws Zinc Plated Carbon Steel, higher hardness, color zinc plated, enhancing the ability of anti-corrosion and anti-rust. Teks self-tapping screws provide secure fastening with strong holding power without the need to pre-drill. (It can not be used in combination with metal and metal. ).  It is wood drill tail screw, mainly used in steel structure caigang watt fixed can also be used for fixing the simple construction of the sheet material. Self Drilling Screw SELF Tapping Screw Chipboard Screw Self Tek Screw Drywall Screw Hex roofing Screw Finish:   ZINC, ZINC PLATED Material:   Steel, C1022A Measurement system:   INCH Head Style:   HEX Place of Origin:   handan city , China Brand Name:   JK Model Number:   4.8mm-6.3mm Standard:   DIN item:   roofing screws Diameter:   4.8mm-6.3mm Length:…

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