Irwin Granite Drill Bit 5.0 x 90mm The Irwin Granite Drill Bit 5.0 x 90mm, available from Trade Counter Direct, is engineered for professional impact and percussion drilling in exceptionally hard materials. Specifically designed for use with granite, concrete, and natural stone, this drill bit delivers superior performance and longevity for demanding trade applications. With an extra hard, robust carbide tip and optimised cutting edges, the Irwin Granite Drill Bit ensures precise, accurately sized holes and extended service life, making it a reliable choice for both construction professionals and serious DIY users. Features Designed for impact and percussion drilling in granite, concrete, and natural stone Extra hard, thicker carbide tip for enhanced durability Drills up to 40% more holes than conventional masonry drill bits Rounded cutting edges for increased bit lifespan Produces 50% more accurately sized holes per bit Ideal for professional and heavy-duty applications Specifications SKU IRW10501897 Range/Series Granite Size 5.0 x 90 mm Suitable Materials Granite, concrete, natural stone Tip Material Carbide