Model: SQ0610 Diameter: 6.25 Height: 9.9 A, ultra-coarse grain cemented carbide raw material, 100% alloy after pressure sintering, the drill hardness and toughness simultaneously increased by 30%. B, unique design, diamond digging speed by 20%, life improved by 30%. C, industry-leading after-sales guarantee, 100% for defective products returned. Spherical carbide teeth Product details: 1. Mainly used for medium-and small-scale tooth carbide ball for inlaying cone drill and impact drill, drilling in soft and hard rock, but also can be used for other drilling alloy film. 2 has excellent wear resistance and toughness, and higher than similar products Drilling and Tunneling speed. Tooth series solder ball head passivation long life cycle, it does not wear life is about the same diameter blade grinding times life titles drill head 5-6 times, help save auxiliary hours, reducing manual labor and expediting the speed of workers.