Standred
DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB
Head Style
Hexagon, T Head, Eye, Flange, Round
Class
4.8, 5.6, 6.8, 8.8, 10.9, SS304 SS316
Material
iron, carbon steel, stainless steel, aluminum, copper, titanium.
Surface
Black Oxide,PTFE,Zinc Nickle,etc
R&D Capacity
OEM Own Brand ODM
application
automotive, rail transit, arospace, mechanical, architecture