TechnologyAugust 15, 2026

chaser

CHAY-ser

Definition

A specialized cutting tool used to clean, restore, or cut the threads of a screw or bolt.

Etymology

Originating from the verb 'chase' in the sense of engraving or cutting metal, the term refers to the tool's action of 'following' or 'chasing' the existing path of a thread to refine its shape.

In the news

The author mentions using a thread chaser as a standard tool for repairing tapered pipe threads before choosing to use a CNC lathe instead.

When Threading Drives You Nuts

Read the full article ↗

Cutting Tool Engineering

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