Cill Screws

Cill screws provide a precise, application specific fixing solution for securing window cills to uPVC, aluminium and timber window frames. Designed to deliver secure fixing without cracking profiles or distorting components, these screws are ideal for fixing internal and external window cills during fabrication and installation. Featuring an optimised thread and sharp point, cill screws allow controlled penetration and accurate pull down into window frame materials, ensuring a clean, professional finish. Commonly used in residential and commercial window installations, cill screws support reliable attachment of cills while maintaining alignment and long term performance of the window system.

Supplied in commonly used diameters and lengths, cill screws are available in corrosion resistant BZP finishes suitable for internal and protected external applications. Selected for dependable drive performance, secure fixing strength and compatibility with modern window systems, cill screws provide a reliable solution for professional window fabrication and installation work.

Cill Screws

Diameter

Length

Material

Head Type

4.2x42 Cill Screw Zinc Plated Timco Pack 500

4.2x50 Cill Screw Zinc Plated Timco Pack 500

4.2x55 Cill Screw Zinc Plated Timco Pack 500

4.2x65 Cill Screw Zinc Plated Timco Pack 200

Diameter

Length

Material

Head Type

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