Products for bench top machinists | LittleMachineShop.com

Insert, TPG-322 Carbide

Insert, TPG-322 Carbide - Main image
$3.47 $4.95 In stock

TPG-322 carbide insert is a 60° triangle with a 11° relief.

There is no chip breaker or screw hole. 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 TPG322 (ANSI) or TPGN160308 (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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Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Scarlett ★★★★★

These triangle inserts are perfectly sharp and ground symmetrically; the 11° relief works great for my aluminum finishing passes. With a 3/8" IC and no chip breaker, they’re simple but cut cleanly without chatter.

Stella ★★★★★

I was pleasantly surprised by how precisely these 3/8-inch triangle inserts sit in the tool holder—no wobble at all. The sharp 60° point held up through several passes on some mild steel without chipping.

Victoria A. ★★★★★

The 11° relief angle made clean cuts on my steel stock without any chatter, and the lack of a chip breaker actually worked fine for light finishing passes. I’ve already burned through two cheaper brands this month, but these held their edge through a full afternoon of turning.