Wing-tip drilling screw with countersunk milling head with pias AW recess
SCR-DBIT-WNG-CS-CUTHD-AW25-(A3K)-4,8X50
Art.-no. 0219124850
EAN 4066443027307
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- Zinc plated steel
- With self-tapping screw thread
- Countersunk milling head for use with compact and hard woods and soft and light woods
- AW recess system for better torque transmission, a longer service life and optimal centring
- The recommended maximum wood thickness lH was calculated with reference to the maximum fixture thickness lU of the substructure!
- Wing-tip pias® screws must be appropriately tested for usability for each application. Only install using application tools with a depth stop and claw coupling
- Self-drilling screws must be installed with a suitable drill/driver (e.g. cordless drill/driver with depth stop)
- The use of impact drivers is not permitted
- Self-drilling screws must be screwed in perpendicular to the surface of the component
For 3.9/4.2/4.8 mm ∅
General construction permit Z-14.4-634
For use with wood and gypsum material boards and cement-bound mineral construction material boards with thin-walled steel profiles.
Zinc plated self-drilling screws must only be used in locations where permanently damp conditions are not expected - condensation is not considered a permanently damp condition (corrosivity category ≤ C2 in accordance with DIN EN ISO 12944-2). For fasteners with technical approval, the approval, and in particular Part 2 "Special regulations", must always be observed.
Datasheets(X)
- 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) | 50 mm |
Head diameter (dk) | 9.5 mm |
Head height (k1) | 4 mm |
Drill tip length (lp) | 10 mm |
Other standard | WN 219 |
Material | Steel |
Surface | Zinc plated |
Head type | Countersunk milling head |
Internal drive | AW25 |
Thread type | Self-tapping screw thread |
Min. recommended substructure thickness | 1.8 mm |
Max. material thickness to be drilled through (metal) (lU) | 4 mm |
Max. material thickness for wood (lH) | 37 mm |
Min./max. recommended installation speed (idling) | 1200-1800 rpm |
Approval | DIBt Z-14.4-634 |
RoHS-compliant | Yes |
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