Clamp jaw diamond free diamond distribution, wear, easy to fall off. Do not use skid, not to hurt the wall, you can extend the life of drilling tools, especially for rope drill in the assembly and disassembly.

Production Specification: φ 41-φ 47, φ 50-φ 59, φ 62-φ 76

Lock connectors, drill collar:

Lock joint production specification: φ 57, 65, 75, 121

Drill Coupling Production Specifications: 57, 65, 75

Note: The production of various specifications according to user demand freedom clamp diamond.