Insert, TCMT-21.51 Carbide

Uncoated carbide
60° triangle, 7° relief
40°-60° single countersink, single-sided chip breaker
0.0156" (1/64") corner radius
ANSI: TCMT21.51, ISO: TCMT110204

Part Number: 1670
Weight: 0.01 lb

Price: $3.95

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TCMT-21.51 carbide insert is a 60° triangle with a 7° relief. The center hole is a 40°-60° single countersink, and there is 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 TCMT21.51 (ANSI) or TCMT110204 (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.

Chris' Tips

Chris' Tips
Insert TCMT-21.51
ANSI TCMT21.51
ISO TCMT110204

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.

Drawings

Insert TCMT-21.51
ANSI TCMT21.51
ISO TCMT110204

Inscribed Circle	∅ IC	1/4"
Corner Radius	R	1/64"
Clearance Angle	C	7°
Thickness	T	3/32"
Height	H	3/8"
Hole / Chip Breaker	∅D	7/64" / single

Compatibility

Compatibility

This product works with these LittleMachineShop.com products: