סטנדרטי
DIN,JIS,ANSI,GB,BSW,etc
Material
Stainless steel,carbon steel,etc
Garde
4.8/ 8.8/ 10.9/ 12.9 Ect
Head type
Hexagon head bolt
Size
M5-M52 ,as customer's require
Certificate
ISO9001,CE, SGS, API
Quality Control
100% Inspection during production