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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.

Customers often get caught in a price war between cutting tool suppliers by attempting to reduce their total upfront investment in tooling.

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?

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

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

As cutting tool diameters get smaller, the acceptable amount of runout must decrease substantially.

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

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.

Adjusting screws are not just a simple set screw. They are a screw with a purpose—three actually.

Hydraulic chucks are an excellent choice for high accuracy applications due to their ability to maintain runout accuracy over an extended period of time.

Overall gripping strength increases as you increase the size of your tool holders (when looking at the same type of holder).

To maintain a highly repeatable loading system, use air to clean the clamping knobs.

Cleanliness is key to achieving good runout control when assembling tool holders. Small particles or oil in a tool holder can cause large runout of the cutting tool, deceasing tool life and performance.