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Did you know Sphinx offers 3 unique drill/reamer geometries capable of drilling from a solid while achieving H7-H9 hole tolerance with exceptionally good surface finish?

Did you know we have a stand-alone catalog containing 14 precision micro end mill geometries?

When using a mechanical milling chuck that implements a needle bearing cage the correct clamping position will vary.

Proper clamping techniques will ensure the proper operation of all mechanical milling chucks.

The is no general rule to cutting tool shank insertion as a multiplier for shank diameter. All tool holder types have different requirements.

Even among experienced machinists, choosing the right insert for boring a hole remains a difficult process that is fraught with myth and misconception. However, it is no myth that insert selection can completely save or kill performance on an application.

There’s more than one way to finish a hole. The most effective option will depend on the number of parts, acceptable cycle time and tolerance callouts.

Reducing the L:D ratio provides an improvement in speed which then provides longer tool life, better surface finish and size control of the bore.

Selecting the appropriate pilot drill is critical to maximize performance and tool life of a succeeding deep hole or micro drill.

When using a high-performance drill, we do not recommend turning on coolant until the drill is inside a 1-2xD deep pilot hole.