Yking - 12 mm Diamond Core Bit - It has a diamond-encrusted tip. It can cut to +/-0.2mm tolerance. It is suitable for non-hammer action and a portable power drill. It is ideal for wet drilling, tiling, plumbing, electrical, building trade, sheet metal, aluminium, plastic, fibreglass and DIY projects. It is also suitable for drilling through glazed and polished porcelain, sandstone, terracotta and ceramics.
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