Flat head square neck bolts with hex nut
BN 280Flat head square neck bolts with hex nut
BN 280- Standard
- DIN 605 Mu ~UNI 6104 ~ČSN 021327
- Headform
- Countersunk head 120°
- Thread
- partially threaded
- Material
- Steel
- Property class
- 4.6 / 4.8 (At manufacturer's option)
- Surface
- zinc plated blue