DIN, ANSI, GB, JIS, BSW, GOST
ASTM A325,A325m, A490,A307,Grade 4.8,8.8 10.9,12.9
Machinery, Chemical Industry, Environmental, Building
Black,Zinc,HDG,PTFE,Plain,etc
1.1/4"-7.1/2" / 20mm-500mm
TUV/ISO9001/ISO14001/OHSAS18001
Metric,Imperial(Inch)
Plastic Bag+ Carton+Wood Pallet
1/4"-5", M4-M64