The Sealey 18mm Diamond Hole Saw is the perfect choice for smaller diameter applications in hard materials. This compact size is ideal for drilling precise holes for cable routing, electrical fittings, and smaller plumbing installations where accuracy is paramount. Featuring an electroplated diamond coating on its cutting edge, this 18mm hole saw delivers chip-free, clean cuts through glass, granite, marble, porcelain, and ceramics with professional results. The integrated water-cooling sponge s
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