Marcrist 245.165.0127 PC850 Diamond Percussion Core 127 x 165mm Underfloor Heating Manufactured from good quality carbon

Manufactured from good quality carbon steel hardened and tempered with black phosphate finish

All-round clamping in front of

) and a wide filling mouth

High speed steel drill bits with chemical black finish

Marcrist 245.165.0127 PC850 Diamond Percussion Core 127 x 165mm Underfloor Heating Manufactured from good quality carbonThe Marcrist PC850 Diamond Percussion Core combines all the advantages of diamond and percussion drilling. It offers lightning fast drilling, without breakout, and without the need for special machinery. Material from common brickwork to hard concrete (80 100mm) can now be drilled dry. A 132mm core takes only a few seconds to drill through brick and, with an expected life of over 300 holes without re sharpening, costs only a few pence per hole.