Product description
Hex head bolt Hex cap screw
Standard: DIN931 DIN933 DIN558 DIN601 DIN960 DIN961 DIN7990 ISO4014 ISO4017
ASME B18.2.1 IFI C-10(A10) IFI C-6( A6 )
Dia.: M12-M64;1/2" ~ 2 1/2"
Length:20 mm-1000mm; 3/4"-40"
Material/Grade: class 4.8, 8.8, 10.9, 12.9; grade 2, 5, 8; ASTM A307 typeA.
Surface treatment: plain ,black oxygenation, zinc plated, hot dip galvanizing, etc.