Original Sumitomo CNMM644EHG AC830P Carbide Turning Insert – Diamond 80° | Steel CNMM190616
$33.32
Turning Insert: CNMM644EHG AC830P, Carbide – AC830P, Al2O3 Finish, Neutral, 0.7598″ Long, 0.7500″ Inscribed Circle, 0.0625″ Corner Radius, 80.00 deg C – Diamond (Rhombic) 80-Deg, Series CN
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) | CNMM644EHG |
| Grade | AC830P |
| Type | Turning Insert |
| Shape | Diamond 80° |
| Suitable Material | Steel |
| 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
-
CCMT09T308-HMP-NC3020 CCMT322
$100.00Original price was: $100.00.$80.00Current price is: $80.00.Add to cartThe NC3020 is a professional-grade carbide insert designed for general CNC turning and machining operations. Korloy NC3020 PVD grade for stainless steel with BUE resistance. 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-HMP-NC3020.
-
Original HOOGUU CNMM160616-PR CC3110G Carbide Turning Insert – Diamond 80° CNMM544
Price on requestRequest a QuoteTurning Insert: CNMM160616-PR CC3110G, Carbide – CC3110G (CVD, CVD Coated), for Steel, chipbreaker PR relatively strong edge Stronger, Ap 1.8-5.5mm, fz 0.3-0.55mm/z, working condition: very poor
-
Mitsubishi CNMM432HX MC6135 Diamond 80° Steel CNMM120408
$20.36Add to cartThe Mitsubishi MC6135 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: CNMM432HX MC6135.
More from Sumitomo
-
Original Sumitomo DCMT21.50.5EFB-T1500A Carbide Turning Insert – Diamond 55° | Steel & More DCMT070202 DCMT211
$12.43Add to cartTurning Insert: DCMT21.50.5EFB-T1500A, Cermet – T1500A, Bright/No Finish, Neutral, 0.3031″ Long, 0.2500″ Inscribed Circle, 0.0078″ Corner Radius, 55.00 deg D – Diamond (Rhombic) 55-Deg, Series DC
-
Original Sumitomo CNMG431EGU AC6030M Carbide Turning Insert – Diamond 80° | Steel, Stainless Steel CNMG120404
$15.78Add to cartThe Sumitomo CNMG431EGU AC6030M is a professional-grade carbide insert designed for stainless steel turning and machining. Suitable for CNC lathes with appropriate tool holders. Recommended Vc 120-200 m/min, feed 0.15-0.30 mm/rev. Use through-coolant or high-pressure coolant for optimal results. Available from Hooguu.com with worldwide shipping and competitive pricing. SKU: CNMG431EGU AC6030M.
-
Original Sumitomo AC5005S VCGT330 Carbide Turning Insert – Parallelogram 85° | Steel, Carbon Steel VCGT330.5MESI VCGT330.5MESI AC5005S VCGT160400
$32.88Add to cartTurning Insert: VCGT330.5MESI AC5005S, Carbide – AC5005S, Absotech Finish, 0.6535″ Long, 0.3750″ Inscribed Circle, 0.0079″ Corner Radius, 35.00 deg V – Diamond (Rhombic) 35-Deg, Series AC5005S
-
Sumitomo GCMN5008-ML AC5015S Grooving Insert | Heat-Resistant Alloys & Stainless Steel
$286.20Add to cartGenuine Sumitomo Electric GCMN5008-ML AC5015S from the SumiGrip GCM range. Grooving and cut-off insert for SumiGrip holders. Grade AC5015S is a PVD-coated carbide grade: first-choice grade for turning heat-resistant alloys and titanium.
-
Original Sumitomo CNMG432ESX T2500Z Carbide Turning Insert – Diamond 80° | Steel & More CNMG120408
$13.65Add to cartThe Sumitomo CNMG432ESX T2500Z 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: CNMG432ESX T2500Z.










