BN 1879 - Phillips flat countersunk head self-drilling screws form H, type P
1) Shaped drilling point
Headform Countersunk head
Drive Cross recess H (Phillips)
Thread fully threaded
Material execution case-hardened
Surface zinc plated blue
Hardness 560 HV
Quenched and tempered fasteners ≥ 360 HV and tempered case-hardened fasteners with electroplated coatings: Susceptible to hydrogen embrittlement!
Further notice to residual risks can be found in the introduction section.