Pozi flat countersunk head thread forming screws type M, form Z, metric thread
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1) Tapered thread end max. 4P
2) Trilobular cross-section
Drive Cross recess Z (Pozidriv)
Thread fully threaded
Material execution case-hardened
Surface zinc plated blue, added lubricant
Hardness 450-560 HV
Standard DIN 7500 M ~UNI 8113
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.