Page 100 - Carmex - Inch Catalog 2022

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Thread Turning Inserts Technical Section

Important Points about Carmex

Threading Inserts

1. In most thread forms 4. Profiles of Carmex
internal and external internal & external
threads have different threading inserts
depth and radii, thus are precision ground
tools are not to ensure accurate
interchangeable thread geometry
when used in their
corresponding
2. The Insert relief toolholders.
Using internal inserts
angle of a standard with an external holder
Carmex external will result in distortion
toolholder is 10º; for an of angle and insert
internal toolholder it is 15º. geometry.
This 5º difference is
to provide additional
necessary radial clearance.

3. Our built-in relief angles 5. Insert and toolholder
ensure automatic insert should always match.
flank angle clearance. An IN-RH insert must be
used with an IN-RH
toolholder.
No mismatch is allowed.

Flank Clearance Angle

A04-6