Black Bugle head drywall Screws 

Black Bugle head drywall Screws Drywall screw bugle head self tapping intended for construction generally range from 1 inch to 8 inches long. China Tek Screw Steel&rubberThe reason is that building materials can have a wide range of thicknesses: from sheet metal to four-by-four posts and even thicker.Black Phosphated Bugle Head Gypsum drywall Screw，Not so with drywall. Self Drilling Screw SELF Tapping Screw Chipboard Screw Self Tek Screw Drywall Screw Hex roofing Screw，China Self Drilling Tek  Self Drilling Screw SELF Tapping Screw Chipboard Screw Self Tek Screw Drywall Screw Hex Roofing Screw Finish:   Black phosphate Material:   Steel C1022 Measurement system:   INCH, Metric Head Style:   Flat bugle Place of Origin:   handan city , China Brand Name:   JK Standard:   DIN Grade:   3.5-4.8 Size:   13-100mm Application…