152mm Core Drill Bits

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Diamond core drill bits in 152mm, which is exactly 6 inches. Choose a dry core for brick, block and concrete, or a wet core for reinforced concrete. Every 152mm core we stock is compared below.

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DDM150 Heavy Duty Diamond Drill Marcrist Diamond Drill Marcrist DDM150-1S Diamond Core Drill 110V - Hand-Held Dry Core Drilling Machine up to 150mm

    Marcrist DDM150-1S Diamond Core Drill 110V - Hand-Held Dry Core Drilling Machine up to 150mm

    Minimises repetitive strain and hard work The outstanding power-to-weight ratio of 1900 watts to 4.0 kg. Minimises repetitive strain and hard work with less than 85 dB(A) the quietest diamond drill on the market Ø 45 mm - 152 mm diamond drilling capacity in...
    £150.00
    £433.85
    £150.00

    Precision Drilling for Concrete, Stone & Masonry

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    Buying guide

    152mm core drill bits compared

    Core bit Type Length Best for
    Marcrist DCU550 Dry 165mm Brick and block up to Class B engineering brick
    Marcrist DCU750X Dry 165mm Brick, block, concrete and stone
    Marcrist PC850 Dry or wet, percussion drills 165mm Brick, block and concrete from a percussion drill
    Marcrist CCU850X Dry or wet 165mm Reinforced concrete, granite and engineering brick
    Marcrist CCW850X Semi-wet 165mm or 350mm Reinforced concrete and natural stone with minimal water
    Marcrist WCU350 Wet 450mm Blockwork, brick and concrete
    Marcrist WCU550 Wet 450mm Natural stone and soft to medium concrete
    Marcrist WCU750X Wet 450mm Reinforced concrete and natural stone
    Marcrist WCU850X Wet 450mm Highly reinforced concrete and natural stone
    Marcrist WF850X Wet, rig-mounted 450mm Extremely hard reinforced concrete
    Marcrist PG850V Wet - 20-30mm vitrified porcelain and outdoor ceramics

    What is a 152mm core used for?

    152mm holes are usually cut for 150mm (6 inch) ducting, extractor fans and ventilation. A 150mm duct leaves only about 1mm clearance each side in a 152mm hole, so if the duct needs a sleeve or sealant, many installers step up to a 162mm core. Always check the recommended hole size for the fan, flue or fire sleeve before drilling.

    Dry or wet core?

    Dry cores (DCU350, DCU550, DCU750X, PC850 and CCU850X) cut without water, so with dust extraction there is no slurry to clean up indoors. The PC850 also runs from a percussion drill. Wet cores (the WCU and WF850X ranges) need a water feed, are the usual choice for heavily reinforced concrete and are often used on a drilling rig. The CCW850X is a semi-wet core that needs only a little water.

    Other popular sizes: 38-42mm, 52mm, 107mm, 117mm and 127mm. Or browse all diamond core drill bits and core drill sets.

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