Threads of Brass Bolts Brass hex head bolts Hex Set Screws DIN 933 :- ISO metric (MM Threads) 2mm 3mm 4mm 5mm 3.5mm 6mm 8mm 10mm 12mm 14mm 16mm 20mm M2 M3 m4 M5 M3.5 M6 M8 m10 m12 m16 M18 m20 l BA Threads 1/8" 5/32" 3/16" 1/4" 5/16" 3/8" 1/2" 3/4" 5/8" 1" BSW Threads UNC & UNF Threads As per customers requirements Material for Brass Bolts Brass hexagonal head bolts Hex Set Screws DIN 933 :- In Case Of Turned Machine Bolts... Free Cutting Brass IS 319 Type (I) or Free Cutting Brass As Per BS 249 Type (I) or High Grade Free Cutting Brass Any Special Brass Material Composition As Per Customers Requirement. In Case Of Cold Forged Machine Bolts... Brass as per IS 4413 or BS 2874/Cz108 or High grade mild steel in case cold forged Machine130ms. Plating of Brass hexagon head screws Hex head bolts metric bolts :-: Natural, Nickle Plated, Tin Plated or any coating as per customer specification. Any Kind of Brass Bolts can be developed as per customers specifications