Original Sumitomo CNMG321ENG AC8025P Carbide Turning Insert – Diamond 80° | Steel CNMG090304
$9.99
The Sumitomo CNMG321ENG AC8025P is a professional-grade carbide insert designed for carbon and alloy steel turning. Sumitomo AC8025P for general 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: CNMG321ENG AC8025P.
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) | CNMG321ENG |
| Grade | AC8025P |
| Type | Turning Insert |
| Shape | Diamond 80° |
| Suitable Material | Steel |
| Category | Diamond 80° (CNMG) |
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
-
APT CF440-14 Diamond 80° Shim Screw
$0.73Add to cartThe CF440 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: CF440-14 Shim Screw.
-
Duracarb CCMT09T304-52 DC610 Diamond 80° CCMT321
$14.00Add to cartThe Duracarb DC610 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: CCMT09T304-52 DC610.
-
AKUMA CNMG434-HRP1 Diamond 80° CT25M CNMG120416
$19.45Add to cartThe CNMG434 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: CNMG434-HRP1 CT25M.
-
NTK CTDP20N02JT Diamond 80° QM3
$88.48Add to cartThe NTK CTDP20N02JT QM3 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: CTDP20N02JT QM3.
More from Sumitomo
-
Sumitomo MDM0670S07H03 ACT70 Solid Carbide Drill – Ø6.7 mm, 3×D | Steel & Stainless Steel
$2,965.50Add to cartGenuine Sumitomo Electric MDM0670S07H03 ACT70 from the MULTIDRILL MDM Series range. Solid carbide drill with internal coolant; sharp arc-shaped lip, narrow margin and large back taper reduce work hardening of the hole wall. Grade ACT70 is a PVD-coated carbide grade: NX Coat, a super multi-layer TiAlCrSi coating (Absotech technology) with excellent wear and heat resistance.
-
Original Sumitomo AC5025S Carbide Turning Insert – Parallelogram 85° | Heat-resistant DCGT32.51RFY-AC5025S DCGT11T304 DCGT321
$22.11Add to cartTurning Insert: DCGT32.51RFY-AC5025S, Carbide – AC5025S, TiAlSiN Finish, Right Hand, 0.4567″ Long, 0.3750″ Inscribed Circle, 0.0156″ Corner Radius, 55.00 deg D – Diamond (Rhombic) 55-Deg, Series AC500
-
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 TNMG160404N-UZ AC405K Triangle TNMG331
$34.65Add to cartThe Sumitomo TNMG331 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: TNMG160404N-UZ AC405K.
-
Original Sumitomo DNMG431ESU AC8025P Carbide Turning Insert – Diamond 55° | Steel & More DNMG120404
$24.04Add to cartThe Sumitomo DNMG431ESU AC8025P is a professional-grade carbide insert designed for carbon and alloy steel turning. Sumitomo AC8025P for general 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: DNMG431ESU AC8025P.









