Material: High quality alloy steel grade 10.9, higher strength, more durable than stainless steel bolts
Anti-corrosion: Flange hexagonal bolts are coated with a special black oxidation finish, which is effective anti-corrosion and anti-rust, and has good performance in external and industrial projects.
Uses: Flanged hex bolts are ideal for outdoor household and industrial applications in the automotive, marine assembly and other machinery industries.
Packing size: M6 x 30mm black flange hex head bolt 30pcs. Hex drive: 8 mm; Hex washer diameter: 13.3 mm.