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
