Standard:DIN,ANSI Material:steel Dameter:3-10mm,1/4#-3/8# Length:4-100mm,1/2"-1/4" 1.Standard:DIN,ANSI2.Material:carbon steel3.Dameter:3-10mm,1/4#-3/8#4.Length:4-100mm,1/2"-1/4"5.Finish:plain,zinc,black phosphated,grey phosphated,nickel,dacroment6.Packing:Box,Carton,Bag,Pallet High quality Furniture machine screw