11PC Turbo Diamond Core Drill Set Laser Welded

Diamond Dry Core Bits Kits Includes SDS & Hex Adpater     Yoketool Diamond Dry Core Bits Kit Our is designed for drilling concrete, red brick, tile masonry, brick and cinder block wall，asphalt，marble, rock, stone and other materials on conditions, such as installing air conditioners, pipes,range hood etc.   Dry drilling is a special drilling method, which is characterized by the fact that it does not require the use of liquid drilling fluid for impact cooling and cleaning, but instead uses air pressure to discharge the cuttings from the wellhead. Dry drilling technology is suitable for some special geological conditions and engineering needs, and has the following characteristics.   Dry Core Kits Features: 1. Core drilling is the preferred method of drilling for most core bits. 2. Diamond Core Drill Bits Using Laser Welding. 3. Using advanced laser technology, the teeth will not break in use. 4. Dry core drill bits are widely used and have a long life.It has…