Hex socket head cap screws partially threaded
BN 8Hex socket head cap screws partially threaded
BN 8- 표준
- ISO 4762 (Standard withdrawn) ~UNI 5931 ~ČSN 021143
- Headform
- Cylindrical
- Drive
- Hexagon socket
- Thread
- partially threaded
- Material
- Steel
- Property class
- 12.9
- Surface
- black