Ask the Expert: Why do bits break?

Aug. 30, 2019

Design, conditions, and manufacturing are three factors to take into consideration.

Question: Why do bits break?

Answer:

Design

A small chip pocket means low flute volume, leading to breakage in the middle of the bit.

Conditions

Torque and drag lead to heat and breakage. Apply drill lube.

Manufacturing

Machined > Stamped

Better bits have a micro point that prevents wandering.

Information provided ProMAXX

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