Original Sumitomo TPMT221ELU AC820P Carbide Turning Insert – Triangle | Steel, Cast Iron TPMT110304
Brand: Sumitomo
$12.99
Turning Insert: TPMT221ELU AC820P, Carbide – AC820P, Al2O3 Finish, Neutral, 0.4331″ Long, 0.2500″ Inscribed Circle, 0.0156″ Corner Radius, 60.00 deg T – Triangle, Series TPMT
Machining Application AC820P
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) | TPMT221ELU |
| Grade | AC820P |
| Type | Turning Insert |
| Shape | Triangle |
| Suitable Material | Steel |
| Category | Turning Inserts |
What Buyers Say
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