Insert, TDEX-21.5 Carbide

- Coated carbide
- 60° triangle, 15° relief
- 70°-90° single countersink, no chip breaker
- 0.0156" (1/64") corner radius
- ANSI: TDEX21.5, ISO: TDEX110204
TDEX21.5 TiN coated C-5 carbide insert is a 60° triangle with a 15° relief. The center hole is a 70°-90° single countersink, and there is no chip breaker.
It has an inscribed circle (IC) of 0.25" (1/4"), a thickness of 0.094" (3/32"), and a corner (nose) radius of 0.0156" (1/64"). The honed edge allows for heavier cuts and there are three cutting edges.
The insert is designated TDEX21.5 (ANSI) or TDEX110204 (ISO). For a list of compatible LittleMachineShop.com products, see the Compatibility tab.
Inserts are sold individually—no need to buy a pack of 10 inserts.

ANSI TDEX21.5
ISO TDEX110204
Our chart of indexable inserts shows which inserts and which screw to use with each of our indexable tools.
Insert TDEX-21.5
ANSI TDEX21.5
ISO TDEX110204
![]() |
|
Compatibility
This product works with these LittleMachineShop.com products: