BN 990 - DIN 7972 C - ~ ISO 1482
Headform: Countersunk head
Drive: Slot
Zaren: cikakken zaren
Material: Karfe
Kisa kayan aiki: harka taurara
Surface: Zinc plated blue
Hardness: 450 HV
- siga
siga
Slotted flat countersunk head tapping screws with cone end type C Steel - case-hardened - zinc plated blue