Thread types :

Drill Tip Plus

Type of heads :

FBS

Screw diameter

4

Screw length (mm)

25 - 50

Screw drive

AW/Sit, TX

Coating

Zinc coated blue

Materials

Steel

Product Description - Window Screw

The screw with drilling tip for all fittings in wooden window construction and for aluminum screw connections.

Drive

  • optimal torque transmission
  • tight, snug fit and fast centering
  • no tumbling motion
  • no "come out" effect of the bit


Head Shape

Special Countersunk Head With Braking Ribs

  • Ø 7,2 mm with light lense
  • sub-head brake ribs prevent overwinding
  • special head form, fits optimally into the fitting
  • discreet apprearance

Asymmetrical Thread

  • reduced drive-in torque
  • high overtorque
  • high withdrawal force


Drilling Tip

  • quick and safe positioning
  • reduced splitting
  • enables close to edge screwing
  • almost no tear out
  • suitable for coated boards

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