... , Anti-slipping patchCategory: 1. by components Bolts, Screw bolts/Studs, Nuts, Tapping screws, Wooden screws, Washers/Gaskets, Check rings, Pins, Rivets and etc. 2. by head ... , ANSI, DIN, GB, ASME, BSW Non-standard fastener orders are welcomed!Our fastener products are wildly used in cameras, glasses, timekeepers ... delivery and good service.www.jielimetal.com.cn Fasteners Bolts Nuts Screws JL-SCR-001