Tapping screw Detailed selling lead description Commodity: srcrews Diameter:2.5--8mm Length: 6--100mm Surface treatment: zinc plating black phosphate, gray phosphate, black Material: carbon steel Head style: pan , oval , hex, hes washer, truss, round etc Screw drive: phil slotted six-lobe pozidriv pozidriv/round hole etc Trademark: tv Standard: din jis uni gb iso ansi and off-standard. Packing: according to customerf+s requirments Productivity: 300 tons/month List price: by negotiable Shipment:prompt We are a professinal manufacturer in screws of chipboard tapping and drywall, and look forward to receiving your detailed requirments with keen interest!