| Place of Origin |
United States |
Standard according to ANSI B18.2.1,DIN931,DIN933 Size from 10 to 1-1/2",M5 to M52 Length from 1/2" to 36",8mm to 1200mm Material:low carbon steel,middle carbon steel,alloy steel,stainless stell,brass Grade:(DIN)4.8,5.8,6.8,8.8,10.9, (IFI)A307,Gr2,Gr5,Gr8 Surface:plain,black oxide,zinc plated(Cr6/Cr3),zinc plated yellow,zinc plated black,HDG,dacromet(200 to 2000 hours)