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Heavy-Duty Steel Roughing Insert CNMG120408-TC
Heavy-Duty Steel Roughing Insert CNMG120408-TC
Forged-steel beast—CNMG120408-TC chews 4 mm depth at 280 m/min, 35 % longer life, zero edge chips.
Description
Heavy-Duty Steel Roughing Insert CNMG120408-TC



– 280 m/min, 4 mm Depth | CutoutTools®
CNMG120408-TC CVD Insert – Bulldog Edge for Forged Steel Roughing
heavy duty roughing insert, forged steel turning, CNMG120408, 280 m/min, CVD coating
When billet hardness jumps from 180 HB to 280 HB without warning, the CNMG120408-TC keeps you in the cut. A 0.8 mm reinforced hone plus dual-layer CVD (MT-TiCN+Al₂O₃) resists edge chipping at 0.5 mm/rev feed, delivering 35 % longer tool life than generic CNMG inserts.
Parameter Box
| Material | vc (m/min) | f (mm/rev) | ap (mm) | Tool Life |
|---|---|---|---|---|
| 42CrMo4 forged | 220 | 0.4 | 3.5 | 18 min |
| C45 soft | 280 | 0.5 | 4.0 | 22 min |
Forged-steel beast-CNMG120408-TC chews 4 mm depth at 280 m/min, 35 % longer life, zero edge chips.
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