piasta wing-tip self-drilling screw, countersunk milling head with AW recess
SCR-DBIT-WNG-CS-CUTHD-AW25-(RSI)-4,8X38
Art.-no. 0215884838
EAN 4047376278950
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- Bimetal (A2 stainless steel/hardened drill tip made of case-hardening steel)
- RUSPERT-coated (silver)
- With self-tapping screw thread
- Countersunk milling head for use with soft and light wood
- AW recess system for better torque transmission, a longer service life and optimal centring
- Wing-tip piasta screws must be appropriately tested for usability for each application.
- Only install using application tools with a depth stop and claw coupling
- A suitable drill/driver (e.g. cordless drill/driver with depth stop) must be used with self-drilling screws
- The use of impact drivers is not permitted
- Self-drilling screws must be inserted perpendicular to the surface of the component
∅ 3.9/4.2/4.8 mm)
For use with wood and gypsum material boards and cement-bound mineral construction material boards with thin-walled steel profiles.
Datasheets(X)
How it works
- Force feeding of the screw is prevented by the wings drilling out the wood
- The core hole is drilled into the substructure. The wings break off upon contact with the metal
- The first few turns of the screw cut the thread, the remainder of the screw then screws into the thread
 | |
Nominal diameter (d) | 4.8 mm |
Length (l) | 38 mm |
Head diameter (dk) | 9.5 mm |
Head height (k1) | 4.0 mm |
Drill tip length (lp) | 10 mm |
Other standard | Company standard |
Material | Bimetal |
Surface | Flake zinc silver |
Head type | Countersunk milling head |
Internal drive | AW25 |
Thread type | Self-tapping screw thread |
Min. recommended substructure thickness | 2.0 mm |
Max. material thickness to be drilled through (metal) (lU) | 4 mm |
Max. attachment thickness (lB) | 21 mm |
Min./max. recommended installation speed (idling) | 1200-1800 rpm |
Approval | DIBt Z-14.4-634 |
RoHS-compliant | Yes |
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