CPROSP 1¼ inch diamond drill bit, core drill bit diameter 82 mm, length 420 mm, core drill for drilling in concrete, reinforced concrete, masonry and stone

• Product parameters: diameter: 82 mm; total length: 420 mm; working length: 370 mm; teeth: 7; (please note: pilot drill is not included)
• 【Compatible equipment】:Hand core drill and core drill. (Please note: do not use with electric hammer and hammer drill)
• Note: water must be added continuously during use.
• Use scene: for drilling in concrete, reinforced concrete, masonry and stone.
• 【After-Sales Service】: If you have any questions during use, please feel free to contact us via the order page.

This product is suitable for building, water, electricity, gas, air conditioning and pipe installation through holes in the wall. Recommended use: Diameter 68 mm: 2-5P climate control tube Diameter: 82 mm: general factory Diameter 110 mm: installation of wastewater, extinguishing water pipe or wire box Precautions for use: Install drill bits: first check whether the spindle swings, whether the electrical and mechanical parts are okay, and when installing make sure that the drill is clamped and held centrically. Rhinestone: water must be added continuously during use. It is used in drilling and core technique. It is recommended to use stationary or hand-held drills.