TCT (Tungsten carbide teeth) Hole Saw Drill Bit - 25mm pv These screws are made of

These screws are made of zinc-plated steel

eco-friendly

maximising your roof’s solar potential while maintaining a sleek and organised appearance

High-Performance Galvanised Steel Self-Drilling Hexagonal Head Sheet Metal Screws Designed for strength

High conversion efficiency up to 97

TCT (Tungsten carbide teeth) Hole Saw Drill Bit - 25mm pv These screws are made ofRENEW TCT 25mm Hole Saw Drill Bit is designed for solar installers to drill clean, precise holes through roof tiles for cable glands, mounting systems, and roof entry points. The tungsten carbide teeth (TCT) provide excellent durability and cutting performance, cutting through ceramic tile, slate, fibre cement, and other roofing materials while reducing chipping and cracking. Ideal for solar PV installations where precision and reliability are