Pozi pan head tapping screws form Z, with flat end type F
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Headform Pan Head
Drive Cross recess Z (Pozidriv)
Thread fully threaded
Material execution case-hardened
Surface zinc plated blue
Hardness 450 HV
Standard DIN 7981 F (Standard withdrawn) ~ISO 7049 ~UNI 6954 B ~ČSN 021235
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.
BN 30905 - BS 4174
Pozi pan head tapping screws with collar, form Z and flat end type F - Steel - case-hardened - zinc plated blue
BN 33 - DIN 7981 F (Standard withdrawn)
Phillips pan head tapping screws form H, with flat end type F - Steel - case-hardened - zinc plated blue
BN 992 - DIN 7971 F (Standard withdrawn)
Slotted pan head tapping screws with flat end type F - Steel - case-hardened - zinc plated blue