304 stainless steel, 8.8 hard cup head internal hexagon tapping screw, stainless steel screw, cylinder head hexagon tapping screw, audio screw
The self tapping locking screw of hexagon socket head
Also known as hexagonal concave end machine, belongs to fastener products. It has no head, positive inner hexagon groove and concave end at the tail of the screw. It needs to be installed and used wit
The outer hexagon concave head cross three combination screw is made of stainless steel screw thread material pier, and its material is stainless steel. The wire rod pier made of stainless steel is ma
