Original Sumitomo SPMT321ELU AC630M Carbide Turning Insert – Square | Steel, Stainless Steel SPMT090304
$13.38
Turning Insert: SPMT321ELU AC630M, Carbide – AC630M, Al2O3 Finish, Neutral, 3/8″ Long, 3/8″ Inscribed Circle, 1/64″ Corner Radius, 90.00 deg S – Square, Series SPMT
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) | SPMT321ELU |
| Grade | AC630M |
| Type | Turning Insert |
| Shape | Square |
| 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
-
APT SPGH433 CC260 Square SPGH120412
$237.18Add to cartThe SPGH433 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: SPGH433 CC260.
-
CNC SNMA120416 RC8215 Square SNMA434
$16.17Add to cartThe SNMA120416 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: SNMA120416 RC8215.
-
Korloy EPN5100L M8340 Diamond 75° Steel
$100.00Original price was: $100.00.$80.00Current price is: $80.00.Add to cartThe Korloy EPN5100L 10 SPKN1504EDSR M8340 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: EPN5100L 10 SPKN1504EDSR M8340.
More from Sumitomo
-
Sumitomo 3NC-TPGW160408LS BNC100 CBN Turning Insert – Triangle, R0.8 | Hardened Steel TPGW332
$1,437.60Add to cartGenuine Sumitomo Electric 3NC-TPGW160408LS BNC100 CBN turning insert with a Triangle (T-type) shape, 11° clearance and countersunk hole, no chipbreaker. Grade BNC100 is a coated CBN (SUMIBORON) grade: machining of hardened steel.
-
Sumitomo MDA0160S03H03 DLX1700 Solid Carbide Drill for Aluminium – Ø1.6 mm, 3×D | Aluminium & Non-Ferrous
$2,833.20Add to cartGenuine Sumitomo Electric MDA0160S03H03 DLX1700 from the MULTIDRILL MDA Series range. Solid carbide drill with Aurora Coat (DLC) for aluminium alloys. Grade DLX1700 is a DLC-coated carbide grade: Aurora Coat (DLC) for aluminium alloys and non-ferrous metals.
-
Sumitomo DCMT11T308N-GU AC9115T Carbide Turning Insert – Diamond 55°, R0.8, GU chipbreaker | Steel DCMT422
$96.60Add to cartGenuine Sumitomo Electric DCMT11T308N-GU AC9115T carbide turning insert with a Diamond 55° (D-type) shape, 7° clearance and countersunk hole, single-sided chipbreaker. Grade AC9115T is a CVD-coated carbide grade.
-
Original Sumitomo DCMT32.52EFP T1500Z Carbide Turning Insert – Diamond 55° | Steel DCMT11T308 DCMT322
$17.22Add to cartTurning Insert: DCMT32.52EFP T1500Z, Carbide – T1500Z, Coated Finish, Neutral, 0.4567″ Long, 0.3750″ Inscribed Circle, 0.0313″ Corner Radius, 55.00 deg D – Diamond (Rhombic) 55-Deg, Series DC
-
Sumitomo TNGG160408R-UM G10E Carbide Turning Insert – Triangle, R0.8, UM chipbreaker | Cast Iron TNGG332
$115.80Add to cartGenuine Sumitomo Electric TNGG160408R-UM G10E carbide turning insert with a Triangle (T-type) shape, 0° clearance and with hole, double-sided chipbreaker. Grade G10E is an uncoated carbide grade: K10 class cutting of cast iron.





