Model No: M5-M16,M3/16-M3/4 length:25--300mmsurface: Zinc plated, according to request of client

packing: according to customers' demandcertification(s): ISO9001 , certificate of confirmity of occupational heath and safety management system certificationour products include different kinds of screws and bolts. we are looking forwardto forming business relationship with customers all over the world

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