SPMG inserts
Square drilling insert. We make 6 SPMG sizes, from SPMG050204 to SPMG140512. Grade, coating and chipbreaker are matched to your material and operation.
What SPMG 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 |
|---|---|---|
| S | Shape | Square |
| P | Clearance angle | 11° (positive insert) |
| M | Tolerance class | Class M |
| G | Hole and chipbreaker | Cylindrical hole, chipbreaker on both faces |
Where SPMG inserts are used
Inserts of this format are used in indexable drills. The drill maker states which insert goes in the centre pocket and which in the peripheral pocket; some drills take the same insert in both.
SPMG is a positive (11° clearance) square drilling insert. It has a cylindrical hole. It has a chipbreaker on both faces.
Send us the drill model and we confirm the insert.
Questions
- What does SPMG mean?
- It is an ISO 1832 code. S = Shape: Square; P = Clearance angle: 11° (positive insert); M = Tolerance class: Class M; G = Hole and chipbreaker: Cylindrical hole, chipbreaker on both faces.
- Which SPMG sizes do you make?
- 6 sizes, from SPMG050204 to SPMG140512. Grade, coating and chipbreaker are confirmed with each quotation.
- How do I read SPMG050204?
- SPMG = format; 05 = Cutting edge length code (about 5 mm); 04 = Corner (0.4 mm nominal).
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