ZZ051 diamond core drill kit is for DRY drilling of breeze block, brick and soft concrete. It can occasionally cut extremely dense concrete or abrasive materials, with better performance, using water for cooling. Power drills are rated between 850 - 1, 000W, which are equipped with a safety clutch, and a variable speed function is recommended.

Comprising:
1) 5pcs core drills: ??38 x 150mm, ??52 x 150mm, ??65 x 150mm, ??117 x 150mm, ??127 x 150mm
2) 5 accessories: Hex adaptor 90mm, SDS-plus adaptor 115mm, SDS-plus extension 300mm, center drill ??8 x 200mm, drift key
3) With a aluminum case