Insert, DCMT-21.51 Carbide

- Coated carbide
- 55° diamond, 7° relief
- 40°-60° single countersink, single-sided chip breaker
- 0.0156" (1/64") corner radius
- ANSI: DCMT21.51, ISO: DCMT070204
DCMT-21.51 carbide insert is a 55° diamond with a 7° relief. The center hole is a 40°-60° single countersink, and a single-sided 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 insert is designated DCMT21.51 (ANSI) or DCMT070204 (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 DCMT21.51
ISO DCMT070204
Our chart of indexable inserts shows which inserts and which screw to use with each of our indexable tools.
Insert DCMT-21.51
ANSI DCMT21.51
ISO DCMT070204
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Compatibility
This product works with these LittleMachineShop.com products: