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Products

Phillips flat countersunk head self-drilling screws form H, with ribs and wings

BN 1005


Headform
Headform Countersunk with ribs
Drive
Drive Cross recess H (Phillips)
Thread
Thread fully threaded

All features

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Features

Headform
Headform Countersunk with ribs
Drive
Drive Cross recess H (Phillips)
Thread
Thread fully threaded
Material
Material Steel
Material execution
Material execution case-hardened
Surface
Surface zinc plated blue
Hardness
Hardness 560 HV

Assembly notice

A. Wings
B. Timber
C. Metal substructure
1. The wings behind the drill head, ream up a clearance hole in the timber, which is of larger diameter than the screw thread.
2. The wings are designed to shear off as they strike the substructure.
3. The screw drills its own core hole into the substructure and forms a thread so that the timber will be fastened to the substructure. The ribs under the head trimming the drilled hole for a clean countersink.

Illustration assembly


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 in the introduction section.