HSS Screw Point Self Feed Wood Auger Drill Bits

There are two types of impact mechanism of impact electric drill: dog tooth type and ball type. The ball impact electric drill is composed of moving disc, fixed disc, steel ball, etc. The moving disc is connected with the main shaft through threads and is equipped with 12 steel balls; The fixed disc is fixed on the casing with four steel balls by pins. Under the action of thrust, 12 steel balls roll along the four steel balls, making the cemented carbide bit produce rotary impact motion, and can drill holes on brittle materials such as bricks, blocks, and concrete.

Our professional team is led by experienced engineers, including durability testing, high voltage testing and unloading machines, to ensure safe and fast delivery of products to customers, good warehouse management and effective logistics tracking. Continuously pursue customer satisfaction, and always provide guarantee and after-sales service for all customers, including spare parts, maintenance and technical support.