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    Concrete Core Bits – How to Choose the Right Drilling Tool

    Diamond vs tungsten carbide bits

    Diamond core bits are the best choice for concrete, reinforced concrete and stone thanks to their longevity and cutting precision. Tungsten carbide bits are more affordable and ideal for occasional drilling in brick or lighter concrete. Brands like EINHELL and FESTA offer both types in various diameters for all applications.

    Bit diameter by application

    Bits ranging from 35-68mm serve standard installations – electrical conduits, water pipes, ventilation ducts. Larger diameters (80-150mm) are used for drain passages, air conditioning units or heavy-duty installations. Always choose a bit slightly larger than the pipe or element diameter to leave room for insulation.

    Longer bits for thick walls

    Standard bits have a working depth of 30-50mm and work well for brick and lighter partition walls. Load-bearing walls made of solid concrete or blocks require extended bits with segments measuring 100-150mm. Check your drill's capacity before purchasing bits with larger dimensions.

    Tool compatibility

    Concrete core bits require a hammer drill or combination hammer with SDS-Plus chuck. The standard fitting is 1/2 inch or a hexagonal adapter that mounts directly onto the drill. FESTA offers a complete range of bits with adapters compatible with all types of professional and DIY tools.

    Cooling and proper use

    Dry drilling with diamond bits requires breaks every 10-15 seconds to let the bit cool down and prevent segment overheating. Professional bits allow wet drilling with constant water flow which extends lifespan and speeds up the work. Always wear safety goggles and a dust mask as concrete drilling produces large amounts of dust.

    Selection and Pricing

    We offer 9 products from 2 brands across 1 sellers. Prices range from 899 to 7,999 RSD.

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