... 3)Finishing:ZW,ZB,ZY,Nickel, ZP.else 4)Tolerance:0.001mm Fasteners1. Products Detailes: 1NameScrew,bolts.nuts2MaterialIron,carbon steel,brass ... .JIS.BA8CertificationISO 9001:2008 & ROHS9Thread measuremetric or inch size10MOQ500000pcs11priceUSD 0.01-0.015,according to the formal quotation sheet12Head typesPan head,round ...