1.Standard:DIN,ANSI 2.Material:steel 3.Dameter:3-10mm,1/4#-3/8# 4.Length:4-100mm,1/2"-1/4" Standard:DIN,ANSIMaterial:carbon steelDameter:3-10mm,1/4#-3/8#Length:4-100mm,1/2"-1/4"Finish:plain,zinc,black phosphated,grey phosphated,nickel,dacromentPacking:Box,Carton,Bag,Pallet machine screw