Set of 10 Core Drill Bits, Concrete Core Drill Bit Set with SDS Adapter, Drill Bit Extension Rod for Precise Drilling on Ceramic, Glass, Marble, 35-110 mm

Complete KitThe pan saw crown kit contains a total of 10 tools, including a rod, a pilot drill bit and a 300mm extension rod, as well as 35mm, 40mm, 50mm, 65mm, 80mm and 110mm core drill bits, you can choose the appropriate size according to the needs of your actual work to meet all your needs

High-quality materialsThe drilling tools of this concrete hole are made of high-quality aluminum alloy materials and have undergone a high-temperature deterrent treatment, which has the characteristics of high precision and high precision; the surface is treated with a coating which has good resistance to rust and corrosion as well as a long service life

Well known: Use screws to reinforce the central drill bit so that it doesn't easily fall out of the drill, which improves work efficiency and safety. Generally, 35mm-45mm drill bits are used for drilling water pipes and heating pipes, and 55mm-80mm drill bits are used for air conditioning pipes. 110mm drill bits are used for 10mm wall fans. Wide range of applications; suitable for most electric drills and impact drills as well as electric hammers with SDS Plus adapter; very well suited for drilling holes in red clay, artificial stone, concrete, lightweight materials, cement, clay, silicate and marble; it is an indispensable tool for builders and maintenance technicians for making drilling accessories.

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