Screw Washer Anchor Dome Nut Round Nut Flat Nut Half & Full Threading Bolt Tapper Threading Bolt Square Head Bolts Hex Bolts Eye Bolts Anchor Bolts U Bolts Hex Nuts Castle Nuts Flange Nuts Square Nuts Lock Nuts Threads : ISO Metric (MM Threads). BA Threads. BSW Threads. UNC & UNF Threads. As Per Customers Requirements. Material : IS 319 Brass Free Cutting. High Grade Free Cutting. High Grade Free Cutting Brass As Per Customers Compositions. Platting : Natural, Nickel Plated, Tin Plated or Any Coating As Per Customer Specification.