Standard: ANSI/ASME 18.2.1  UNC,UNF
Size:1/4'-1 1/2'
Grade:2,5,8
Finish: Plain,Black, Z/P,YZP,HDG
Material:Carbon steel ,Alloy steel

Our main products include DIN,ISO, IFI,ASTM,standard bolts,such as DIN931,933,960,961,912,7991,6914,6921,558,ISO4017,4014, IFIA-10(UNC,UNF),ASTM A325, etc.The size is from M6-M64.The grade includes 4.8, 6.8, 8.8, 10.9, 12.9. 5,8,10.  The material is carbon steel and alloy steel