We can supply all kinds of speical screws. We can supply all kinds of fastener as below ... Bolts, U Bolts, Eye Bolts. SCREWS: Self Drilling Screws, Chipboard Screws, Dry Wall Screws, Machine Screws, Self-tapping Screws, Hanger Screws WASHERS: Spring Washer, Flat Washer ... Anchor, Hollow Wall Anchor, Tie Wire Anchor, Expansion Anchor, Machine Screw Anchor, Hammer Drive Anchor, Nylon Double Wings Anchor, ...