Original Sumitomo CNMM643EHG AC8025P Carbide Turning Insert – Diamond 80° | Steel & More CNMM190612
Brand: Sumitomo
$34.97
Turning Insert: CNMM643EHG AC8025P, Carbide – AC8025P, Coated Finish, Neutral, 0.7598″ Long, 0.7500″ Inscribed Circle, 0.0469″ Corner Radius, 80.00 deg C – Diamond (Rhombic) 80-Deg, Series CN
Machining Application AC8025P
P Steel
Sumitomo grade — recommended for steel (P).
Recommended cutting data
Group P — Carbon & alloy steels
- Low-carbon / structural steel (HB ≤ 200)
Vc: 180–320 m/min; f: 0.10–0.40 mm/rev; ap ≤ 4.0 mm - Alloy / quenched-and-tempered steel (HB 200–330)
Vc: 120–240 m/min; f: 0.10–0.35 mm/rev; ap ≤ 3.0 mm
Raise Vc for continuous cuts; lower it and pick a tougher chipbreaker for interrupted cuts.
Figures are general reference ranges by ISO material group — adjust for tool geometry, machine rigidity and cooling. For exact recommendations refer to the manufacturer's data or contact us for a quote.
ⓘ
Prices move with raw-material (tungsten / steel) market rates. Please confirm the current price with us before placing your order — thank you.
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We accept
| Brand | Sumitomo |
|---|---|
| Part No. (MPN) | CNMM643EHG |
| Grade | AC8025P |
| Type | Turning Insert |
| Shape | Diamond 80° |
| Suitable Material | Steel |
| Category | Turning Inserts |
What Buyers Say
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