
Sumitomo CNMG120408N-SE AC830P Carbide Turning Insert – Diamond 80°, R0.8, SE chipbreaker | Steel CNMG432
$80.40
Genuine Sumitomo Electric CNMG120408N-SE AC830P carbide turning insert with a Diamond 80° (C-type) shape, 0° clearance and with hole, double-sided chipbreaker. Grade AC830P is a CVD-coated carbide grade: interrupted turning of steel, tough grade focused on chipping resistance.
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) | CNMG120408N-SE |
| Grade | AC830P |
| 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
-
ZCC-CT CCMT120404-HM YBM251 Diamond 80° Steel CCMT431
$83.84Add to cartThe ZCC-CT CCMT120404 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: CCMT120404-HM YBM251.
-
Arno 12345 CCGT3(2.5)0.5FN-ALU PVD1
$22.84Add to cartThis CCGT3(2.5)0.5FN-ALU PVD1 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: CCGT3(2.5)0.5FN-ALU PVD1.
-
Achteck 030101FR-F AP200U CCET
$25.65Add to cartThe Achteck CCET 030101FR-F AP200U 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: CCET 030101FR-F AP200U.
More from Sumitomo
-
Original Sumitomo CNMG643EMX AC8015P Carbide Turning Insert – Diamond 80° | Steel CNMG190612
$34.97Add to cartThe Sumitomo CNMG643EMX AC8015P is a professional-grade carbide tool designed for carbon and alloy steel turning operations. Suitable for use on CNC lathes and machining centers with appropriate tool holders. Recommended for production environments where consistent surface finish and dimensional accuracy are critical. For optimal results, use with through-coolant or high-pressure coolant delivery. Start with cutting speed Vc 200-300 m/min for roughing and 300-400 m/min for finishing, with fee…
-
Sumitomo WNMG080408N-MX AC820P Trigon 80° Steel WNMG332 WNMG090408
$39.90Add to cartThe Sumitomo WNMG332 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: WNMG080408N-MX AC820P.
-
Sumitomo 6NC-TNGA160420 BNC2010 CBN Turning Insert – Triangle, R2 | Hardened Steel TNGA335
$1,842.30Add to cartGenuine Sumitomo Electric 6NC-TNGA160420 BNC2010 CBN turning insert with a Triangle (T-type) shape, 0° clearance and with hole, no chipbreaker. Grade BNC2010 is a coated CBN (SUMIBORON) grade: machining of hardened steel.
-
Original Sumitomo AC4015K Carbide Turning Insert – Parallelogram 85° CCMT21.51ESU CCMT21.51ESU AC4015K CCMT060204 CCMT211
$12.20Add to cartTurning Insert: CCMT21.51ESU AC4015K, Carbide – AC4015K, Al2O3 & TiCN Finish, Neutral, 0.2520″ Long, 0.2500″ Inscribed Circle, 80 deg C – Diamond (Rhombic) 80-Deg, Series CC
-
Sumitomo ZNMT2205125-C ACK300 Carbide Milling Insert – R1.25, C chipbreaker | Cast Iron
$305.10Add to cartGenuine Sumitomo Electric ZNMT2205125-C ACK300 carbide milling insert with 0° clearance and countersunk hole, single-sided chipbreaker. Grade ACK300 is a PVD-coated carbide grade: general-purpose milling of cast iron.
-
Original Sumitomo AC4125K SNMN432 Carbide Turning Insert – Parallelogram 85° | Steel, Cast Iron SNMN432 AC4125K SNMN120408
$16.59Add to cartTurning Insert: SNMN432 AC4125K, Carbide – AC4125K, Absotech Finish, Neutral, 12.70 mm Long, 12.70 mm Inscribed Circle, 0.80 mm Corner Radius, 90.00 deg S – Square, Series AC4125K
-
Sumitomo MDW0540GS4 ACX70 Solid Carbide Drill – Ø5.4 mm, 4×D | Steel & Stainless Steel
$2,227.20Add to cartGenuine Sumitomo Electric MDW0540GS4 ACX70 from the Super MULTIDRILL GS Series (MDW) range. Solid carbide drill for external coolant supply. Grade ACX70 is a PVD-coated carbide grade: drill coating for steel, stainless steel and cast iron.
-
Original Sumitomo CNMG333EGZ-AC4015K Carbide Turning Insert – Diamond 80° | Cast Iron CNMG090412
$13.28Add to cartThe Sumitomo CNMG333EGZ-AC4015K is a professional-grade carbide insert designed for cast iron machining. Sumitomo AC4015K for cast iron turning. Suitable for CNC lathes with appropriate tool holders. Recommended Vc 150-350 m/min, feed 0.20-0.45 mm/rev. Use through-coolant or high-pressure coolant for optimal results. Available from Hooguu.com with worldwide shipping and competitive pricing. SKU: CNMG333EGZ-AC4015K.









