piasta® wing-type drilling screw, countersunk milling head with AW drive
Wing-piasta steel flake zinc silver cntrsnk hd AW
SCR-DBIT-WNG-CS-CUTHD-AW25-(RSI)-5,5X55
ZEBRA PIASTA
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- Bimetal (A2 stainless steel/drilling tip made of case hardened steel)
- RUSPERT® coated (silver)
- With self-tapping thread
- Countersunk milling head for use with soft woods
AW drive system:
- Enhanced torque transmission
- Longer life
- Optimum centring
- Better mounting output thanks to fatigue-free screwing in; the required contact pressure for transmission of the torques is considerably lower
- Largest possible contact surface of bit in screw drive
- Even force distribution prevents damage to the surface-protection coating and therefore ensures better resistance to corrosion
- Wing-piasta screws must be appropriately tested for usability for each application case. Only install using application tools with a depth stop and claw coupling
- Drilling screws must be processed with a suitable drill driver (e.g. cordless drill driver with depth stop)
- The use of impact screwdrivers is not permitted
- Drilling screws must be attached perpendicular to the surface of the component
Datasheets(X)
CAD data (available after login)
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) | 5.5 mm |
Length (l) | 55 mm |
Head diameter (dk) | 10.8 mm |
Head height (k1) | 4.4 mm |
Drill tip length (lp) | 11 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) | 5 mm |
Max. attachment thickness (lB) | 35 mm |
Min./max. recommended installation speed (idling) | 1200-1800 rpm |
Approval | No |
RoHS-compliant | Yes |
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