OX Spectrum Superior Superfast Helix Dry Diamond Core Drill 162mm. A professional OX Spectrum dry diamond core drill designed for fast, clean and reliable drilling through a range of building materials. The 162mm size is ideal for trade, construction, plumbing, ventilation, extraction, drainage, building work and general masonry drilling. Genuine OX Spectrum Superior dry diamond core drill. 162mm diameter core drill bit. Superfast Helix barrel design. Universal dry core for long life in most building materials. Suitable for semi-engineering bricks, clay products and limestone aggregate concrete. Angled slots help expel dust through the back of the barrel. Helix design helps draw dust down the barrel. 10mm segment height with high diamond concentration. Laser welded segments for strength and durability. Built for trade, site and professional use. Brand: OX Tools Range: Spectrum Superior Type: Dry Diamond Core Drill Bit Model: BX10-162 Diameter: 162mm Barcode: 5060135470579 Material: Metal / Diamond Colour: Blue Condition: New. A durable and high-performance OX dry diamond core drill bit, ideal for tradespeople and DIY users needing a reliable 162mm core for masonry, brickwork, clay products and general building material drilling.