Serrated hex flange head cap screws fully threaded

BN 20170

~DIN 6921

(Standard withdrawn)

Headform	Headform Hexagonal with flange
Drive	Drive Hexagon
Thread	Thread fully threaded
Material	Material Steel
Property class	Property class 8.8
Surface	Surface zinc plated blue

~DIN 6921 (Standard withdrawn)

Headform	Headform Hexagonal with flange
Drive	Drive Hexagon
Thread	Thread fully threaded
Material	Material Steel
Property class	Property class 8.8
Surface	Surface zinc plated blue

1. Tightening: teeth penetrate the surface
2. Loosening: teeth shear off material
3. Surface condition after loosening

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Serrated hex flange head cap screws fully threaded - Steel - 8.8 - zinc plated with thick layer passivation

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