Tempat asal
Guangdong, China
Nomor model
209-hollow bolt
Product name
hex head hollow bolt
Standard
DIN, JIS, ISO, ANSI, ASME, BS, AS, and non-standards
Certificate
ISO900, IATF16949,ISO14001,ROHS
Material
carbon steel,alloy steel,stainless steel etc.
Service
Customized design is available
Features
The surface is smooth, no burrs
Grade
4.8/ 8.8/ 10.9/ 12.9 etc
Surface treatment
Plain, zinc plated, black, yellow zinc plated etc.