Rock drill bits & accessories

Key Attributes.

1. Button bit Various structures and wide application range, and can achieve uniform wear, thus service life of bits will be increased, and can mostly satisfy with the drilling requirements in all rock formation. Hole diameter: 45mm to 127mm. Thread connection: R28, R32, T38, T45. T51. 2. Shank adapter High-strength structural alloy steel with good quality is selected to be material. Adoption of case hardening heat treatment techinique can ensure the impacted end of shanks. Various shanks can be produced accordingto the sampples and detail part number of rock drill the customers provided. 3. Coupling sleeve We supply: Thread size R32, T38, T45, T51. Diameter: 56mm~75mm.