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Wet 5 inch 127mm diamond core drill bit for concrete

127mm(5inch) diamond core drill bit are designed for laser welding and silver brazing on steel core drill barrel, used for drilling concrete, reinforced concrete, asphalt, bricks and other construction materials. The advantages of ChinShine wet 127mm core drill bit are quickly, smooth drilling and long life.

4 Hilti Concrete diamond core bit for sale

4 inch concrete diamond core bits with high diamond concentration are especially designed for handheld applications. Hilti core bit provides better cutting comfort, resulting in better accuracy when starting to drill.

150mm Dry diamond core drill bits for concrete for sale

ChinShine 150mm dry diamond core drill bit is specifically designed to drill a variety of soft brick and concrete. Laser welding segments, strong and safe cutting, various segments shapes are available.

3 Parts of concrete core drill bit

Roof M shape segments, also called zigzag segment, they are welded on coupling, then connect with tube, crown to make the whole concrete core drill bit.

Brazing magnetic holder for core barrel

ChinShine offer the premium quality magnet holder for welding segment on core barrels, the magnetic holder is 2 times longer life than regular holder, samples are available, the best price!

Arix diamond core drill bit for concrete

Silver welding and laser welding Arix diamond core bits are available, laser welding is quite suitable for dry concrete cutting. ChinShine Arix diamond core drill bit 30% faster than regular diamond core bit, same quality level with Korea.