Original Sumitomo SPMR321ENF AC830P Carbide Turning Insert – Square | Steel & More SPMR090304
$16.76
Turning Insert: SPMR321ENF AC830P, Carbide – AC830P, Al2O3 Finish, Neutral, 3/8″ Long, 3/8″ Inscribed Circle, 1/64″ Corner Radius, 90.00 deg S – Square, Series SP
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) | SPMR321ENF |
| Grade | AC830P |
| 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
-
Gesac SNMU120612-GM GK4125 Square Steel SNMU443
$23.80Add to cartThe GESAC SNMU120612 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: SNMU120612-GM GK4125.
-
Mitsubishi SPMR421 MC6125 Square Steel SPMR120304
$22.16Add to cartThe Mitsubishi SPMR421 is a professional-grade carbide insert designed for carbon and alloy steel turning. Mitsubishi MC6125 CVD grade for stable 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: SPMR421 MC6125.
-
Original HOOGUU SCGT09T304-CM Carbide Turning Insert – Square | Aluminum, Titanium, Copper CP2630TN SCGT09T304-CM CP2630TN SCGT321
Price on requestRequest a QuoteTurning Insert: SCGT09T304-CM CP2630TN, Carbide – CP2630TN (PVD, PVD Coated), for Stainless Steel/Titanium Alloy/Superalloy Stainless/Titanium/Superalloy, chipbreaker CM sharp (CGT positive rake), Ap 0.2-0.8mm, fz 0.06-0.15mm/z, working condition: very poor
More from Sumitomo
-
Original Sumitomo AC6030M Carbide Turning Insert – Parallelogram 85° | Steel, Stainless Steel SCMT32.52EGU SCMT32.52EGU AC6030M SCMT09T308 SCMT322
$17.66Add to cartTurning Insert: SCMT32.52EGU AC6030M, Carbide – AC6030M, Absotech Finish, 3/8″ Long, 3/8″ Inscribed Circle, 90.00 deg S – Square, Series AC6000M
-
Sumitomo MDE0480S05E04 ACT100 Solid Carbide Drill – Ø4.8 mm | Steel & Stainless Steel
$1,450.80Add to cartGenuine Sumitomo Electric MDE0480S05E04 ACT100 from the MULTIDRILL NeXEO MDE Series range. General-purpose solid carbide drill for high-carbon steel, die steel and stainless steel; RX thinning lowers thrust, suitable for small machining centres and lathes. Grade ACT100 is a PVD-coated carbide grade: NX Coat, a super multi-layer TiAlCrSi coating (Absotech technology) with excellent wear and heat resistance.
-
Sumitomo SNMM250924N-NW AC830P Square Steel SNMM866
$189.00Add to cartThe Sumitomo SNMM866 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: SNMM250924N-NW AC830P.









