Slotted pan head tapping screws with flat end type F
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Thread fully threaded
Material execution case-hardened
Surface zinc plated blue
Hardness 450 HV
Standard DIN 7971 F (Standard withdrawn) ~ISO 1481 ~UNI 6951 B ~ČSN 021232
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.