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Wing-tip drilling screw with countersunk milling head With AW drive pias®

Wing-pias steel zinc-plated countersunk head AW

Art.-no. 0219123932
EAN 4062856106349

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The self-drilling screw with up to 50% time savings when fastening wood to metal sub-structures

Zinc-plated steel

With self-tapping thread

Countersunk milling head for use with hard and 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
  • The recommended maximum wood thickness lH was calculated with reference to the maximum attachment thickness lU of the surface!

  • Wing-pias® 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

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.

Drilling screws may only be used where dampness is not to be expected. For connection elements with a construction permit, the permit, and in particular Part 2 "Special regulations", must always be observed.

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  • 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)

3.9 mm

Length (l)

32 mm

Head diameter (dk)

7.5 mm

Head height (k1)

3.2 mm

Drill tip length (lp)

8 mm

Other standard

WN 219




Zinc plated

Head type

Countersunk milling head

Internal drive


Thread type

Self-tapping screw thread

Min. recommended substructure thickness

1.5 mm

Max. material thickness to be drilled through (metal) (lU)

2.5 mm

Max. material thickness for wood (lH)

20 mm

Min./max. recommended installation speed (idling)

1700-2500 rpm


DIBt Z-14.4-634



Cust. Mat. No.

Hazardous Material

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