Original Sumitomo CPMT321ESU AC630M Carbide Turning Insert – Diamond 80° | Steel, Stainless Steel CPMT090304
Brand: Sumitomo
$13.06
Turning Insert: CPMT321ESU AC630M, Carbide – AC630M, Al2O3 Finish, Neutral, 0.3819″ Long, 0.3750″ Inscribed Circle, 0.0156″ Corner Radius, 80.00 deg C – Diamond (Rhombic) 80-Deg, Series CPMT
Machining Application AC630M
M Stainless steel
Sumitomo grade — recommended for stainless steel (M).
Recommended cutting data
Group M — Stainless steel
- Ferritic / martensitic (HB ≤ 220)
Vc: 120–200 m/min; f: 0.08–0.30 mm/rev; ap ≤ 3.0 mm - Austenitic 304 / 316 (work-hardening)
Vc: 90–160 m/min; f: 0.08–0.25 mm/rev; ap ≤ 2.5 mm
Flood coolant; avoid too low a feed to prevent work hardening.
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) | CPMT321ESU |
| Grade | AC630M |
| Type | Turning Insert |
| Shape | Diamond 80° |
| Suitable Material | Steel |
| Category | Turning Inserts |
What Buyers Say
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