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Insert, CCMT-21.51 Carbide

Insert, CCMT-21.51 Carbide
Part Number: 1781
Weight: 0.01 lb

Price: $4.95

In stock
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Related Products

Turning and Boring
Turning and Boring

  • Coated carbide
  • 80° diamond, 7° relief
  • 40°-60° single countersink, single-sided chipbreaker
  • 0.0156" (1/64") corner radius
  • ANSI: CCMT21.51, ISO: CCMT060204


CCMT-21.51 carbide insert is a 80° diamond with a 7° relief. The center hole is a 40°-60° single countersink, and a single-sided chipbreaker.

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 CCMT21.51 (ANSI) or CCMT060204 (ISO). For a list of compatible products, see the Compatibility tab.

Inserts are sold individually—no need to buy a pack of 10 inserts.

Chris' Tips

Chris Chris' Tips
Insert CCMT-21.51
ISO CCMT060204

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.


Insert CCMT-21.51
ISO CCMT060204

insert CCMT-21.51
Inscribed Circle  ∅ IC 1/4"
Corner Radius R 1/64"
Clearance Angle C
Thickness T 3/32"
Length L 1/4"
Hole / Chip Breaker ∅D 7/64" / single



This product works with these products:


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