BN 20094 - Pozidriv flat countersunk head PT® screws form Z
KA22: countersunk head geometry with reinforcement taper.
Drive Cross recess Z (Pozidriv)
Thread fully threaded
Material execution heat-treated
Surface zinc plated blue
Hardness 380 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.