UPVC Window Screw
Characteristics
● Thin shank with coarse (plastic) thread designed specifically for uPVC.
● Flat (countersunk) or oval flat head; PH2 or SQ1 (square) drive.
● Sharp self-drilling tip (thread runs to the point) — no pre-drilling in the profile.
● Material: carbon steel 1022A or stainless SUS304 / SUS316.
● Non-staining finish (zinc, Ruspert, Dacromet) to keep white frames clean; do not over-tighten.
Uses
● Assembling uPVC window and door frames and sashes.
● Fixing hardware and fittings (hinges, locks, handles, keeps) into the profile.
● Installing glazing beads and gasket / seal strips.
PVC WINDOW SCREW
| Parameter | Specification |
| Product Name | PVC Window Screw, Self Tapping Needle Tip Screws (uPVC frame / window screw) |
| Outer Diameter | 4.0 / 4.1 / 4.2 / 4.3 mm (optional) |
| Head Type | Flat head (countersunk) / Oval flat head (oval countersunk) |
| Drive Type | PH2 (Phillips) / SQ1 (Square) |
| Thread Type | Coarse thread |
| Point | Sharp self-drilling tip (thread runs to the point) |
| Material | Carbon steel 1022A / Stainless SUS304 / SUS316 |
| Length | 20 / 25 / 30 / 35 / 40 / 45 / 50 mm |
| Application | Assembly of PVC door & window frames; fixing of hardware & fittings; installation of glazing beads and gaskets / seals |
| Package | OEM |









