Original Sumitomo CNMG866EMU AC8025P Carbide Turning Insert – Diamond 80° | Steel CNMG250924
$84.22
The Sumitomo CNMG866EMU 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: CNMG866EMU 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) | CNMG866EMU |
| 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
-
Lamina CNMG120404-NN Diamond 80° LT10 CNMG431-NN LT10
$18.90Add to cartThe Lamina CNMG120404 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: CNMG120404-NN LT10.
-
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.
-
Pramet CNMG120412E-RM T9415 Diamond 80° CNMG433
$58.80Add to cartThe Pramet CNMG433 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: CNMG120412E-RM T9415.
-
Deskar CCMT060204 LF9018 Diamond 80° Steel CCMT211
$5.50Add to cartThe Deskar 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 LF9018.
More from Sumitomo
-
Original Sumitomo AC5015S Carbide Turning Insert – Parallelogram 85° | Heat-resistant CCGT21.50RFX-AC5015S
$16.00Add to cartTurning Insert: CCGT21.50RFX-AC5015S, Carbide – AC5015S, Absotech Bronze Finish, Right Hand, 0.2520″ Long, 0.2500″ Inscribed Circle, 0.0039″ Corner Radius, 80.00 deg C – Diamond (Rhombic) 80-Deg, Seri
-
Original Sumitomo DNMG431EEX-AC5015S Carbide Turning Insert – Diamond 55° | Steel & More DNMG120404
$21.59Add to cartTurning Insert: DNMG431EEX-AC5015S, Carbide – AC5015S, TiAlSiN Finish, Neutral, 0.6102″ Long, 0.5000″ Inscribed Circle, 0.0156″ Corner Radius, 55.00 deg D – Diamond (Rhombic) 55-Deg, Series AC5000S
-
Original Sumitomo DCGT32.50.5EFC AC530U Carbide Turning Insert – Diamond 55° DCGT11T302 DCGT321
$20.67Add to cartTurning Insert: DCGT32.50.5EFC AC530U, Carbide – AC530U, TiAlN & AlCrN Finish, Neutral, 0.4567″ Long, 0.3750″ Inscribed Circle, 0.0078″ Corner Radius, 55.00 deg D – Diamond (Rhombic) 55-Deg, Series DC
-
Original Sumitomo VBMT331ESU AC8020P Carbide Turning Insert – Diamond 35° | Steel & More VBMT160404
$31.34Add to cartTurning Insert: VBMT331ESU AC8020P, Carbide – AC8020P, Absotech Finish, 0.6535″ Long, 0.3750″ Inscribed Circle, 0.0157″ Corner Radius, 35.00 deg V – Diamond (Rhombic) 35-Deg, Series AC8020P
-
Original Sumitomo AC5025S VBGT220 Carbide Turning Insert – Parallelogram 85° | Heat-resistant VBGT220.5RFX-AC5025S VBGT110300
$20.02Add to cartTurning Insert: VBGT220.5RFX-AC5025S, Carbide – AC5025S, Absotech Bronze Finish, Right Hand, 0.4370″ Long, 0.2500″ Inscribed Circle, 0.0079″ Corner Radius, 35.00 deg V – Diamond (Rhombic) 35-Deg, Seri
-
Original Sumitomo TPMT21 AC5025S Carbide Turning Insert – Triangle TPMT21.52ESU-AC5025S TPMT110208 TPMT412
$12.47Add to cartTurning Insert: TPMT21.52ESU-AC5025S, Carbide – AC5025S, TiAlSiN Finish, Neutral, 0.4331″ Long, 0.2500″ Inscribed Circle, 0.0313″ Corner Radius, 60.00 deg T – Triangle, Series AC5000S
-
Original Sumitomo DNMG432EEM AC6145M Carbide Turning Insert – Diamond 55° DNMG120408
$25.23Add to cartTurning Insert: DNMG432EEM AC6145M, Carbide – AC6145M, Absotech Finish, Neutral, 15.50 mm Long, 12.70 mm Inscribed Circle, 0.80 mm Corner Radius, 55.00 deg D – Diamond (Rhombic) 55-Deg, Series AC6145M












