... kinds of speical screws made by forging, turning, stamping, casting. We can supply all kinds of fastener as below: NUTS: Cap Nuts , Flange ... 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 (Round ... , ZP, Nickel Plated, Brass Plated, Dacrot Plated, H.D.G Fastener