EN
BN 20699
Headform：Countersunk head
Drive：Hexalobular socket
Thread：partially threaded
Material：Steel
Material execution：case-hardened
Surface：zinc plated blue, added lubricant
- Parameter
Parameter
Hexalobular (6 Lobe) socket flat countersunk head partial thread and cutting ribs under the head Steel - case-hardened - zinc plated blue, added lubricant
