Original Sumitomo AC1030U Carbide Turning Insert – Parallelogram 85° DCGT21.50LFY DCGT21.50LFY AC1030U
Brand: Sumitomo
$18.80
Turning Insert: DCGT21.50LFY AC1030U, Carbide – AC1030U, Absotech Bronze Finish, Left Hand, 0.3031″ Long, 0.2500″ Inscribed Circle, 0.0039″ Corner Radius, 55.00 deg D – Diamond (Rhombic) 55-Deg, Serie
Machining Application AC1030U
P SteelM Stainless steel
Sumitomo grade — recommended for steel (P), stainless steel (M).
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.
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) | DCGT21.50LFY |
| Grade | AC1030U |
| Type | Turning Insert |
| Shape | Parallelogram 85° |
| Category | Turning Inserts |
What Buyers Say
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