The 50Q gun drill chuck is a specialized tooling for gun drill cutting edges; it features a compact
The 50Q gun drill chuck is a specialized tooling for gun drill cutting edges; it features a compact structure, convenient and reasonable clamping, simple adjustment, and time-saving machining (grinding of all angles can be completed in one clamping);
The machined drill cutting edges have high strength and good precision;
The grinding range is ¢5~(32 (can be modified to 43~38).