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Pozi pan head tapping screws with collar, form Z and cone end type C

BN 30904

BS 4174



Headform
Headform Button with collar
Drive
Drive Cross recess Z (Pozidriv)
Thread
Thread fully threaded
Material
Material Steel
Material execution
Material execution case-hardened
Surface
Surface zinc plated blue
Hardness
Hardness 450 HV

All features


Standard

BS 4174

Features

Headform
Headform Button with collar
Drive
Drive Cross recess Z (Pozidriv)
Thread
Thread fully threaded
Material
Material Steel
Material execution
Material execution case-hardened
Surface
Surface zinc plated blue
Hardness
Hardness 450 HV

Warnings

ISO 4042
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 on our web page: Notes on use