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Carbide Insert Chart

January Project of the Month [3]
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Dave Smith

Active User
H-M Supporter-Premium Member
Mar 10, 2013
i scanned a carbide insert chart that i keep in my shop reference binder.
maybe it may help others out in identifying stray inserts.QUOTE]
Mike--for some reason there is a red X on your picture--when I was sending you a reply---poof!!!---the chart showed up when I was going to tell you about the red X----it is a good chart to have reference to---thanks--Dave
Last edited by a moderator:


Former Member
Former Member
Sep 29, 2014
You are likely to only ever use the S, T, C and V shapes in general hobby lathe work, the W shape is also very useful,

This excludes threading and other forming tools such as radius groove and dovetail O-ring inserts, face grooving, parting and internal back chamfer tools.

The CN (80 Deg. diamond) tools are very robust, they have a very shallow angle rather then a sharp point such as a 60 Deg, triangle, they will face and turn unlike a triangle, they are negative and require a stout machine, part and setup. CCMT are positive and are an excellent choice when faced with a part, machine or setup prone to chatter.
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