Min. Order Reference FOB Price
5000 Pieces US$0.01 / Piece
Product Description
Black carbon steel stainless steel 8.8/10.9/12.9 grade cylindrical head half thread hex head bolt made in China Hexagonal cylindrical head bolts have 4.8, 8.8, 10.9, 12.9 levels. Also called hex screws, also called hex bolts. Its head is hexagonal head, but also cylindrical head. There are ...