HWH head self drilling screw

17六角钻尾，复合垫片
넳 넲

Head Type: Hex Washer Head
Thread Type: Type A/ B/ C
Drive: Hexagen
Washer: EPDM bounded washer, PVC washer
Point: PT #3, #4, #5
Material: C1022A
Diameter: 4.2mm (#8) / 4.8mm (#10) / 5.5mm (#12) / 6.3mm (#14)
Lenght: From 13 mm to 250 mm
Finish: Black / Grey Phosphated,Yellow / Blue White Zinc Plated, Nickel Plated, Painted, Ruspert
Sample: Available
Packing: bulk in bag/ cartons, customized box and carton

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Tianjin Primo Technology Co., Ltd. is a professional company for the fastener 
manufacture and exporter in China. Our company have 200+ set equipment for the fastener manufacture, the annual production capacity more than 5000 tons, Our products including drywall screws, chipboard screw, self tapping screws, self drilling screws, blind rivets, coil nails, 
strip nails, concrete nails, staples, anchors, thread rod, bolts, nuts and washers etc.