SD down the hole drill

A notable feature of SD series drill bits is that they have more buttons, which increases the energy released during drilling. SD series drills are manufactured according to the best quality standards and are made of high-quality nickel-alloy steel to improve durability and wear resistance. YK 05 tungsten carbide has the same level as internationally renowned brands. The entire CNC machining process ensures quality consistency and reliability, with a longer service life and fewer interruptions. Our drill bit is specially designed for maximum performance, hole cleaning ability and high permeability. We can also provide the best solution for your mining, which is more efficient and cheaper.