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

Part Number: 5640
Weight: 0.00 lb

Price: $5.95

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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.

Chris' Tips

Chris' Tips
Insert DCMT-21.51
ANSI DCMT21.51
ISO DCMT070204

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 DCMT-21.51
ANSI DCMT21.51
ISO DCMT070204

Inscribed Circle	∅ IC	1/4"
Corner Radius	R	1/64"
Clearance Angle	C	7°
Thickness	T	3/32"
Length	L	0.307"
Hole / Chip Breaker	∅D	7/64" / single

Compatibility

Compatibility

This product works with these LittleMachineShop.com products:

5434 Turning & Cut-Off Tools, 3/8" Indexable, 7 Piece Set