Dunlop Diamond-Edge Tiling Holesaw 8mm Matte Black SKU: 348210 MODEL: 32866 Error. try again later You've successfully joined the club $ 10 .62 each Available on orders $50 to $1500. More info × Mitre 10 SAvailable at selected stores. Check your local store for details Variants 8mm holesaw creates holes where you need them. Great for electrical wiring access. Features and benefits Use with water for drilling porcelain, ceramics and stone. Electro-plated diamond coating. Recommended drilling speed: 1000rpm.