A Harvey Performance Company
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A Harvey Performance Company

Thread Mills

Mill any pitch – inch or metric – with our impressive selection of Thread Mill Cutters. Available in Single Form, Multi-Form, Tri-Form, and Thread Relief. Many of these tools mill right hand and left hand threads and can cut internal and external 60° UN threads in many materials, including hardened steels.

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Combo Drill/Thread Mill
Combo Drill/Thread Mill

This offering of fully stocked Harvey Tool products is designed for combined drilling, threading, thread relief cutting, and chamfering.

Multi-Form
Multi-Form

A wide-ranging selection of fully stocked, ready to ship Harvey Tool threading tools optimized for creating multi-form threads.

Single Form
Single Form

An offering of Single Form Threadmills, including options in both inch and metric sizes, and those designed for Hardened Steels, specifically.

Thread Relief Cutters
Thread Relief Cutters

Properly finish a threading application by providing relief at the bottom of the thread, allowing for a stronger final product.

Tri-Form
Tri-Form

Designed for threading in hardened steels and difficult-to-machine materials, the design of this tool is optimal for climb milling from the top to the bottom of right-hand threads.