Round head square neck bolts without hex nuts
BN 30401Round head square neck bolts without hex nuts
BN 30401- Standard
- DIN 603 ~UNI 5732 ~ČSN 021319
- Headform
- Round with square neck
- Thread
- partially / fully threaded
- Material
- Steel
- Property class
- 4.6 / 4.8 (At manufacturer's option)
- Surface
- zinc plated blue