Hex socket flat countersunk head screws fully threaded
BN 20Hex socket flat countersunk head screws fully threaded
BN 20- Standard
- DIN 7991 (Standard withdrawn) ~ISO 10642 ~UNI 5933
- Headform
- Countersunk head 90°
- Drive
- Hexagon socket
- Thread
- fully threaded
- Material
- Steel
- Property class
- 010.9 / 10.9 (The head marking is determining)
- Surface
- black