SPMG Insert: External turning, facing, profiling, and shoulder machining in CNC lathes.
1. Shape
Square insert with 90° corner angle, offering 4 cutting edges for cost-effectiveness.
Ideal for shoulder turning and facing operations requiring precise 90° machining.
2. Clearance Angle
11° positive clearance angle: Reduces cutting forces and heat generation, enhancing tool life in medium to heavy-duty turning.
3. Tolerance Class
Medium tolerance (±0.13 mm / ±0.005″): Balances precision and affordability for general-purpose applications.
4. Chipbreaker Design
Groove-style “G” chipbreaker: Controls chip formation in steel, alloy steel, and hard steel. Minimizes vibration and improves surface finish during medium-depth cuts.
| Model | L | IC | S | d | R |
| SPMG 050204-TG BM085 | 5 | 5 | 2.38 | 2.25 | 0.4 |
| SPMG 060204-TG BM085 | 6 | 6 | 2.38 | 2.61 | 0.4 |
| SPMG 07T308-TG BM085 | 7.94 | 7.94 | 3.97 | 2.85 | 0.8 |
| SPMG 090408-TG BM085 | 9.8 | 9.8 | 4.76 | 4.05 | 0.8 |
| SPMG 110408-TG BM085 | 11.5 | 11.5 | 4.76 | 4.45 | 0.8 |
| SPMG 140512-TG BM085 | 14.3 | 14.3 | 5.2 | 5.75 | 1.2 |
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