Phillips flat countersunk head self-drilling screws form H, with ribs and wings
BN 1005
~DIN 7504 P
Forma de la cabeza |
Forma de la cabeza
Countersunk with ribs
|
Accionamiento |
Accionamiento
Cross recess H (Phillips)
|
Rosca |
Rosca
fully threaded
|
Material |
Material
Steel
|
Tratamiento del material |
Tratamiento del material
case-hardened
|
Superficie |
Superficie
zinc plated blue
|
Hasta |
Hasta
560 HV
|
Todas las características
Norma
Características
Forma de la cabeza |
Forma de la cabeza
Countersunk with ribs
|
Accionamiento |
Accionamiento
Cross recess H (Phillips)
|
Rosca |
Rosca
fully threaded
|
Material |
Material
Steel
|
Tratamiento del material |
Tratamiento del material
case-hardened
|
Superficie |
Superficie
zinc plated blue
|
Hasta |
Hasta
560 HV
|
Indicación de montaje
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.
Ilustración indicación de montaje
Advertencias
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