VCMT inserts
35° rhombic turning insert. We make 6 VCMT sizes, from VCMT110302 to VCMT160408. Grade, coating and chipbreaker are matched to your material and operation.
What VCMT means
The first four letters of an ISO 1832 designation give the shape, the clearance angle, the tolerance class, and the hole and chipbreaker.
| Code | Feature | Meaning |
|---|---|---|
| V | Shape | 35° rhombic |
| C | Clearance angle | 7° (positive insert) |
| M | Tolerance class | Class M |
| T | Hole and chipbreaker | Hole countersunk on one side, chipbreaker on one face |
Where VCMT inserts are used
The 35° corner gives the most access for profiling and copying fine contours, but it is the weakest of the common corners, so it is used for light cuts and finishing.
VCMT is a positive (7° clearance) 35° rhombic turning insert. It has a countersunk hole for a clamping screw. The chipbreaker is on one face only. Positive inserts cut with lower forces, which suits finishing, small diameters, internal turning and less rigid setups.
Choose the size for your depth of cut, the corner radius for the feed and finish, and a holder made for VCMT inserts of that size.
Questions
- What does VCMT mean?
- It is an ISO 1832 code. V = Shape: 35° rhombic; C = Clearance angle: 7° (positive insert); M = Tolerance class: Class M; T = Hole and chipbreaker: Hole countersunk on one side, chipbreaker on one face.
- Which VCMT sizes do you make?
- 6 sizes, from VCMT110302 to VCMT160408, with inscribed circles from 6.35 to 9.525 mm. Grade, coating and chipbreaker are confirmed with each quotation.
- How do I read VCMT160408?
- VCMT = format; 16 = Cutting edge length code (about 16 mm); 04 = Thickness (4.76 mm); 08 = Corner (0.8 mm nominal).
Related formats
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