Our bulk 1000-piece box of uPVC Window Screws (4.3 x 25mm) is engineered for the precision assembly of window and door hardware. Featuring a low-profile pan head and a corrosion-resistant zinc yellow finish, these screws provide a secure, professional fix for hinges, strikers, and handles.
High-Volume Value: 1000 pieces per box, perfect for glazing manufacturers and repair contractors.
Pan Head Profile: Provides a flat bearing surface that sits neatly against hardware without distorting the metal.
Zinc Yellow Passivated: Offers superior protection against moisture and oxidation in window cavities.
£12.00 Incl. VAT
uPVC window screws of this size are specialized fasteners used primarily for attaching hardware to window and door profiles. The 25mm length is the “universal” size for securing friction stays (hinges), espagnolette locks, and keep plates. Unlike countersunk screws, these uPVC window screws feature a pan head that provides a wide, flat clamping area, ensuring that hardware is held firmly in place without the screw head pulling through the mounting holes.
Window hardware is frequently exposed to “cold bridge” condensation within the internal chambers of a uPVC profile. Our uPVC window screws are finished with a high-quality zinc yellow passivation. This “gold” coating provides a significantly higher level of salt-spray resistance than standard bright zinc, preventing the unsightly rust “bleeding” that can ruin the appearance of a white uPVC frame over time.
At ECO HEAT SHOP, we understand that window assembly requires speed and accuracy. These uPVC window screws feature a gimbal-point self-tapping thread designed to bite instantly into uPVC. Because they are case-hardened, they are also capable of cutting through the internal galvanized steel reinforcing found in modern window systems. The No. 2 Phillips drive ensures a deep, positive fit for high-speed power drivers, reducing the risk of slipping and scratching the frame.
Product Name: uPVC Window Screws (Pan Head)
Dimensions: 4.3mm (Diameter) x 25mm (Length)
Pack Size: 1000 Pieces
Drive Type: Phillips No. 2 (PH2)
Finish: Zinc Yellow Passivated (Gold)
Material: Case-Hardened Carbon Steel
Installation Advice: When installing hardware with these uPVC window screws, ensure your drill/driver torque is calibrated. Over-tightening can strip the thread in the uPVC; the goal is to drive the screw until the pan head is flush against the hardware, providing a secure, vibration-resistant bond.
| Weight | 0.44 kg |
|---|---|
| Dimensions | 25 × 4.3 × 4.3 mm |
ECO Heat Shop Ltd provides national distribution for plumbing and heating supplies across England, Scotland, and Wales. Orders placed before the 18:00 PM (Afternoon) cutoff are typically processed for same-day dispatch.
View Full Shipping & Collection Policy ›Hours: Monday – Saturday: 08:30 AM – 06:30 PM | Sunday: Closed
Location: Unit 8 West Cross Shopping Centre, Oldbury Rd, Smethwick, B66 1JG
In-shop precision key cutting available during standard operational hours. Professional while-you-wait service for Smethwick residents and trade contractors.
Smart supplies for real heat.
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