Products for bench top machinists | LittleMachineShop.com

Insert, TPGH-322 Carbide

Insert, TPGH-322 Carbide - Main image
$6.67 $9.95 In stock

TPGH-322 carbide insert is a 60° triangle with a 11° relief. The center hole is a 70°-90° single countersink, and a single-sided chip breaker.

It has an inscribed circle (IC) of 0.375" (3/8"), a thickness of 0.125" (1/8"), and a corner (nose) radius of 0.0313" (1/32").

The insert is designated TPGH322 (ANSI) or TPGH160308 (ISO).

Inserts are sold individually—no need to buy a pack of 10 inserts.

*NOTE: Make sure you get the correct inserts and retaining screws for your indexable turning tools. Our chart of indexable inserts shows which inserts and which screw to use with each of our indexable tools.

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Customer Reviews (4.8 / 5 · 5 reviews)

David ★★★★★

Swapped out a generic insert for this TPGH-322 and the 11° relief angle really helped with chatter on my lathe. Cutting aluminum, the single-sided chip breaker keeps the swarf from wrapping around the tool.

Emily A. ★★★★★

The single-sided chip breaker clears chips way better than I expected on aluminum, and the 11° relief cuts chatter down noticeably. Center hole alignment was spot-on with my tool holder, so seating took no fiddling.

Richard ★★★★★

The chip breaker really does what it's supposed to—chips come off in tight little curls instead of long strings, which makes a huge difference on my lathe. The 11° relief angle seats nicely in my tool holder without any wobble, and the single countersink hole lined up perfectly with the screw.