Sumitomo CNMG120408N-EX AC630M Carbide Turning Insert – Diamond 80°, R0.8, EX chipbreaker | Stainless Steel & Steel CNMG432
$80.40
Genuine Sumitomo Electric CNMG120408N-EX AC630M carbide turning insert with a Diamond 80° (C-type) shape, 0° clearance and with hole, double-sided chipbreaker. Grade AC630M is a CVD-coated carbide grade: general-purpose stainless steel turning, also suits light continuous cuts in steel.
Sumitomo grade — recommended for stainless steel (M).
Recommended cutting data
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.
- 🚚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-EX |
| Grade | AC630M |
| Type | Turning Insert |
| Shape | Diamond 80° |
| Suitable Material | Stainless 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
-
Achteck 030102FR-F AP200U CCET
$25.65Add to cartThe Achteck CCET 030102FR-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 030102FR-F AP200U.
-
Chang Cheng CCMT09T308-MM2 GW2020 Diamond 80° Steel CCMT322
$3.23Add to cartThe GW2020 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: CCMT09T308-MM2 GW2020.
-
ZCC-CT CNMG120404-EM YBG202 Diamond 80° Steel CNMG431
$81.26Add to cartThe ZCC-CT CNMG120404 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: CNMG120404-EM YBG202.
-
Duracarb CCMT09T308-52 DC610 Diamond 80° CCMT322
$14.70Add 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: CCMT09T308-52 DC610.
More from Sumitomo
-
Sumitomo MLDH2000L5 ACV70 Micro Long Drill – Ø2 mm, 5×D | Steel & Stainless Steel
$3,450.00Add to cartGenuine Sumitomo Electric MLDH2000L5 ACV70 from the Micro Long Drill MLDH-L range. Solid carbide micro drill with internal coolant for deep small holes. Grade ACV70 is a PVD-coated carbide grade: micro drilling of steel and stainless steel.
-
Sumitomo SDP0890S10E03X PCX70 Solid Carbide Drill – Ø8.9 mm | Steel & Stainless Steel
$1,022.10Add to cartGenuine Sumitomo Electric SDP0890S10E03X PCX70 from the SumiDrill Power Series SDP range. Solid carbide drill with internal coolant, elliptical flutes for chip evacuation and a double margin for hole accuracy. Grade PCX70 is a PVD-coated carbide grade: Sumi-Power coating with improved anti-adhesion, for steel, stainless steel and cast iron.
-
Sumitomo SDP0595U7HAK PCX70 Solid Carbide Drill – Ø5.95 mm, 7×D | Steel & Stainless Steel
$2,020.50Add to cartGenuine Sumitomo Electric SDP0595U7HAK PCX70 from the SumiDrill Power Series SDP range. Solid carbide drill with internal coolant, elliptical flutes for chip evacuation and a double margin for hole accuracy. Grade PCX70 is a PVD-coated carbide grade: Sumi-Power coating with improved anti-adhesion, for steel, stainless steel and cast iron.








