A Mark Group

HOLE CUTTERS HOLE CUTTERS 53 ph: 1800 804 297 e: sales@amarkgroup.com.au OTEC DIAMOND CORE BITS At Amark Group, through many years of experience working with tilers and the tiling industry, we have developed a range of high quality OTEC diamond core bits. All our OTEC Diamond Core Bits are vacuum brazed to produce the toughest and highest quality core bits there are in themarket. We have a large range of core bits, with sizes ranging from 5mm to 112mm. Either M14 or Hex adapters are available, so our OTEC core bits can be used in angle grinders or drills. OTEC Diamond Core Bits can be used at extremely fast speeds, up to 11,000rpm OTEC Diamond Core Bits also come in a set consisting of 7 x M14 Core bits in various sizes and 2 diamond milling bits, compact and easy to take to site, a perfect tool for any tiler.

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