... :PB1.2*5/PB1.0*6Material: Brass, Bronze, Carton steel(low/medium/high carbon steel) Stainless steel, Aluminum alloy,Surface Treatment ... , Heat treatment, Plating, Anti-slipping patchCategory: 1. by components Bolts, Screw bolts/Studs, Nuts, Tapping screws, Wooden screws, Washers/Gaskets, Check ... and good service.www.jielimetal.com.cn Cross Recessed Round Head Screw Bolt JL-SCR-100