TIMCO Window Fabrication Screws Friction Stay Shallow Pan Countersunk PH Self-Tapping Self-Drilling Point Zinc - 3.9 x 19 Box OF 1000 - 136Z Countersunk Head 4 x Pozidriv 25mm Bits:

4 x Pozidriv 25mm Bits: PZ1

Height: 225mm

Blows per Minute (Lo) - ipm - 0 - 1800 ipm

The fitting is sealed to the tap by tightening the stainless steel clip

one-handed fitment of the screwdriver bit or holder

TIMCO Window Fabrication Screws Friction Stay Shallow Pan Countersunk PH Self-Tapping Self-Drilling Point Zinc - 3.9 x 19 Box OF 1000 - 136Z Countersunk Head 4 x Pozidriv 25mm Bits:Box of 1000 Size 3. 9 x 19TIMCO Window Fabrication Screws Friction Stay Shallow Pan Countersunk PH Self Tapping Self Drilling Point Zinc 3. 9 x 19 For attaching friction stays with countersunk holes to steel reinforced PVCu frames. S Drill PVC Friction Screw BZP