APKT inserts
85° parallelogram milling insert. We make 12 APKT sizes, from APKT100320 to APKT1705PER. Grade, coating and chipbreaker are matched to your material and operation.
What APKT 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 |
|---|---|---|
| A | Shape | 85° parallelogram |
| P | Clearance angle | 11° (positive insert) |
| K | Tolerance class | Class K |
| T | Hole and chipbreaker | Hole countersunk on one side, chipbreaker on one face |
Where APKT inserts are used
The 85° parallelogram is the common shape for 90° shoulder milling cutters, which are also used for face and slot milling.
APKT is a positive (11° clearance) 85° parallelogram 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.
Use the insert format, size and corner configuration specified by the cutter manufacturer; check the pocket and clamping system before ordering.
Questions
- What does APKT mean?
- It is an ISO 1832 code. A = Shape: 85° parallelogram; P = Clearance angle: 11° (positive insert); K = Tolerance class: Class K; T = Hole and chipbreaker: Hole countersunk on one side, chipbreaker on one face.
- Which APKT sizes do you make?
- 12 sizes, from APKT100320 to APKT1705PER. Grade, coating and chipbreaker are confirmed with each quotation.
- How do I read APKT160408?
- APKT = format; 16 = Cutting edge length code (about 16 mm); 08 = Corner (0.8 mm nominal).
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