Original Sumitomo CPMT321EMU AC8015P Carbide Turning Insert – Diamond 80° CPMT090304
$13.72
Turning Insert: CPMT321EMU AC8015P, Carbide – AC8015P, Absotech Platinum Finish, Neutral, 0.3819″ Long, 0.3750″ Inscribed Circle, 80 deg C – Diamond (Rhombic) 80-Deg, Series CPMT
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.
- 🚚Free worldwide shipping on all orders
- ⏱️Delivery in 15–30 days · express (DHL/FedEx) on request
- 🛃Free customs clearance handling & correct HS/NCM documents
- 💬Customer service replies within 24 hours, 7 days a week
- ✅100% genuine OEM — certificates available on request
- 🔒Guaranteed safe & secure checkout · 30-day money-back guarantee
- 📷Need test samples or real photos of this exact item? Just ask our team.
| Brand | Sumitomo |
|---|---|
| Part No. (MPN) | CPMT321EMU |
| Grade | AC8015P |
| Type | Turning Insert |
| Shape | Diamond 80° |
| Category | Turning Inserts |
What Buyers Say
100% recomendados los insertos, y el paquete está llegando muy rapido
Товар доставлен, оригинальный, упаковка отличная! Всё полностью соответствует описанию.
По сырой стали пойдёт. Большой радиус при вершине, больше нагрузка.
A good product and the seller offered a nice discount
the product is like show in the picture
дошло быстрее чем заявлено. все супер
Related products
-
Mitsubishi CPMT21.51SQ US735 Diamond 80° Steel CPMT060204 CPMT211
$26.54Add to cartThe Mitsubishi US735 is a professional-grade carbide insert designed for carbon and alloy steel turning. Suitable for CNC lathes with appropriate tool holders. Recommended Vc 200-350 m/min roughing, 300-450 m/min finishing. Use through-coolant or high-pressure coolant for optimal results. Available from Hooguu.com with worldwide shipping and competitive pricing. SKU: CPMT21.51SQ US735.
-
Chang Cheng CCMT060204-MM2 GW2020 Diamond 80° Steel CCMT211
$2.72Add to cartThe CCMT060204 is a professional-grade carbide insert designed for carbon and alloy steel turning. Suitable for CNC lathes with appropriate tool holders. Recommended Vc 200-350 m/min roughing, 300-450 m/min finishing. Use through-coolant or high-pressure coolant for optimal results. Available from Hooguu.com with worldwide shipping and competitive pricing. SKU: CCMT060204-MM2 GW2020.
-
Carmex Diamond 80° Shim AI22
$20.58Add to cartThe Carmex Shim AI22 is a professional-grade carbide insert designed for general CNC turning and machining operations. Suitable for CNC lathes with appropriate tool holders. Recommended Vc 200-350 m/min roughing, 300-450 m/min finishing. Use through-coolant or high-pressure coolant for optimal results. Available from Hooguu.com with worldwide shipping and competitive pricing. SKU: Shim AI22.
More from Sumitomo
-
Sumitomo CTR121000R AC1030U Cut-off Insert | Steel & Stainless Steel
$333.30Add to cartGenuine Sumitomo Electric CTR121000R AC1030U from the SCT Small Diameter Cut-off range. Insert for small-diameter cut-off on small lathes. Grade AC1030U is a PVD-coated carbide grade: first-choice grade for precision and small-lathe (Swiss-type) turning.
-
Original Sumitomo SNMG433EEM AC6020M Carbide Turning Insert – Square | Steel, Stainless Steel SNMG120412
$15.34Add to cartTurning Insert: SNMG433EEM AC6020M, Carbide – AC6020M, Absotech Platinum Finish, Neutral, 1/2″ Long, 1/2″ Inscribed Circle, 3/64″ Corner Radius, 90.00 deg S – Square, Series SN
-
Original Sumitomo DNMG433EGU AC820P Carbide Turning Insert – Diamond 55° | Steel & More DNMG120412
$22.90Add to cartThe Sumitomo DNMG433EGU AC820P is a professional-grade carbide insert designed for carbon and alloy steel turning. Suitable for CNC lathes with appropriate tool holders. Recommended Vc 200-350 m/min roughing, 300-450 m/min finishing. Use through-coolant or high-pressure coolant for optimal results. Available from Hooguu.com with worldwide shipping and competitive pricing. SKU: DNMG433EGU AC820P.
-
Original Sumitomo CNMG322EFE AC8015P Carbide Turning Insert – Diamond 80° CNMG090308
$9.99Add to cartThe Sumitomo CNMG322EFE AC8015P is a professional-grade carbide insert designed for general CNC turning and machining operations. Suitable for CNC lathes with appropriate tool holders. Recommended Vc 200-350 m/min roughing, 300-450 m/min finishing. Use through-coolant or high-pressure coolant for optimal results. Available from Hooguu.com with worldwide shipping and competitive pricing. SKU: CNMG322EFE AC8015P.
-
Original Sumitomo WPMT322ELB T2500Z Carbide Turning Insert – Trigon 80° | Steel, Titanium, Carbon Steel WPMT090308
$11.56Add to cartTurning Insert: WPMT322ELB T2500Z, Cermet – T2500Z, AlN Finish, Neutral, 0.2559″ Long, 0.3750″ Inscribed Circle, 0.0315″ Corner Radius, 80.00 deg W – Trigon 80-Deg, Series T2500Z
-
Sumitomo GCMN7004-GL AC530U Grooving Insert | Steel & Stainless Steel
$382.80Add to cartGenuine Sumitomo Electric GCMN7004-GL AC530U from the SumiGrip GCM range. Grooving and cut-off insert for SumiGrip holders. Grade AC530U is a PVD-coated carbide grade: interrupted turning of steel and stainless steel; fine-grain tough substrate with multi-layer coating.









