Hexagon, hex flange, hex socket, mush head square neck, guard rail,
square head, T-head, foundation bolt, lifting eye screwa, or special
custom-designed bolts made by cold or hot forging.
Product grade: ISO4.8, 6.8, 8.8, 10.9, 12.9, ASTM grade 5, 8.
Material: mild steel, al...
Products: citizen screw machine,
electric dead bolt