... , Anti-slipping patchCategory: 1. by components Bolts, Screw bolts/Studs, Nuts, Tapping screws, Wooden screws, ... Pins, Rivets and etc. 2. by head types Flat, Oval, Binding, Pan, Round, Truss, Button, PF, Pan washer ... , Cheese, Countersunk, Fillister, hexagon, Hexagon washer head, Hexagon socket button head and ... com.cn Cross Recessed Round Head Screw Bolt JL-SCR-100