Threadmills

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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Single Form

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

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.

Multi-Form

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

Thread Relief Cutter

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