Min. Order Reference FOB Price
10000 Pieces US$0.10 / Piece
Product Description
Product Description Product Name Square bolt;square head machine bolt Standard ASTM B18.2.1 Material carbon steel, alloy steel, stainless steel, brass, Aluminium, copper, etc. Grade ASTM A307 Grade A, SAE J429 Gr.1, 5, 8; CL 4.8, 8.8, 10.9, 12.9 Size 1/4"-3", M5-M64 Surface treatment: ...