FILFEEL Diamond Drill Bit, Hole Opener for Drilling Marble, Concrete, Glass, Stone, with High Hardness (16mjm).

[Sharp diamond-tipped blade brazing technology for smooth holes [Smooth drilling] Ensures seamless drilling without rough edges [Premium diamond material] Made with high hardness for durability and longevity [Fast drilling speed] Strong opening performance for efficient drilling [Chip removal design] Conducive to easy chip removal during operation

Specification:

Features: Made of premium diamond material with high hardness, robust use Strong opening performance, fast drilling speed, smooth drilling without weld Application: Suitable for drilling marble, concrete, granite, tile, glass, etc. Adopting high-quality diamond brazing technology, the tooth blade is sharp, the hole opening is smooth without broken edges, and there is no wobbling. The chip removal hole design facilitates chip removal. It can be easily installed on an electric drill to save labor. Specifications: Material: Diamond Size: 16 mm/0.6 in, 35 mm/1.4 in (optional) Weight: 37 g-85 g / 1.3-3 oz (approx.) Note: 1. The hole opener is installed on the electric drill. Since this type of hole opener does not have a center positioning tip, please use it carefully and pay attention to safety. 2. The speed should not be too fast; maintain a slow speed. 3. Continue adding water for cooling. Dry drilling is strictly prohibited, otherwise high-temperature friction will affect the product's performance.