RCHT inserts
Round milling insert. We make 4 RCHT sizes, from RCHT10T3M0 to RCHT2006M0. Grade, coating and chipbreaker are matched to your material and operation.
What RCHT 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 |
|---|---|---|
| R | Shape | Round |
| C | Clearance angle | 7° (positive insert) |
| H | Tolerance class | Class H |
| T | Hole and chipbreaker | Hole countersunk on one side, chipbreaker on one face |
Where RCHT inserts are used
Round milling inserts are used in profile (copy) milling, face milling and high-feed cutters; the round edge is strong.
RCHT is a positive (7° clearance) round milling insert. It has a countersunk hole for a clamping screw. The chipbreaker is on one face only. The positive geometry keeps the cutting forces down. Tolerance class H is tighter than class M; inserts in this class are often ground, for more precise dimensions.
Use the insert format, size and corner configuration specified by the cutter manufacturer; check the pocket and clamping system before ordering.
Questions
- What does RCHT mean?
- It is an ISO 1832 code. R = Shape: Round; C = Clearance angle: 7° (positive insert); H = Tolerance class: Class H; T = Hole and chipbreaker: Hole countersunk on one side, chipbreaker on one face.
- Which RCHT sizes do you make?
- 4 sizes, from RCHT10T3M0 to RCHT2006M0. Grade, coating and chipbreaker are confirmed with each quotation.
- How do I read RCHT10T3M0?
- RCHT = format; 10 = Diameter code (about 10 mm); M0 = Corner (round insert, metric diameter).
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