Part Number: 1623
Weight: 0.01 lb
Share this page:
- T-15 high speed steel
- 60° triangle, 11° relief
- 70°-90° single countersink, no chipbreaker
- 0.0156" (1/64") corner radius
- ANSI: TPMB321, ISO: TPMB160304 HSS
TPMB-321 insert made from T-15 high speed steel, combine the advantages of high speed steel cutting tools with the convenience of indexable tooling.
Insert is a 60° triangle with a 11° relief. The center hole is a 70°-90° single countersink, and there is no chipbreaker.
It has an inscribed circle (IC) of 0.375" (3/8"), a thickness of 0.125" (1/8"), and a corner (nose) radius of 0.0156" (1/64").
The insert is designated TPMB321 (ANSI) or TPMB160304 HSS (ISO). For a list of compatible LittleMachineShop.com products, see the Compatibility tab.
This high-quality insert is made in America by the Arthur R Warner company.
Inserts are sold individually—no need to buy a pack of 10 inserts.
ISO TPMB160304 HSS
T-15 is a grade of cobalt tool steel, which offers the highest hardness of most common high speed steel grades.
|| ∅ IC
|Hole / Chip Breaker
||5/32" / none
This heavy-duty, high-speed steel grade offers maximum cutting-edge endurance and wear resistance due to its high Vanadium content. The Cobalt content additionally lends it high temperature hardness and resistance
Make sure you get the correct inserts for your indexable turning tools.
Our chart of indexable inserts shows which inserts to use with each of our indexable tools.
Click here to see the tabs view of this page.