SUMITOMO Square Turning Insert: SPMR421ENF
The SUMITOMO Square Turning Insert, model SPMR421ENF (MPN SPMR421ENF-AC820P) and SPMR120304N-SF, is a square (S) indexable turning insert. It is available in two part numbers: SPMR421ENF and SPMR120304N-SF.
SKU 3G-OTH-229242
Also listed as: SPMR421ENFAC820P · SPMR421ENF AC820P
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SUMITOMO Square Turning Insert, model SPMR421ENF (MPN SPMR421ENF-AC820P) and SPMR120304N-SF, is a square (S) indexable turning insert. It is available in two part numbers: SPMR421ENF and SPMR120304N-SF.
Frequently Asked Questions
What is the SUMITOMO Square Turning Insert SPMR421ENF used for?
The SUMITOMO Square Turning Insert SPMR421ENF is used for general turning, facing, and profiling operations on metal workpieces. Its square (S) shape provides four cutting edges for cost-effective machining. It is commonly applied in automotive, aerospace, and general engineering industries for medium to finishing cuts on steel and cast iron.
What are the specifications of the SUMITOMO SPMR421ENF insert?
The SUMITOMO SPMR421ENF insert is a square indexable turning insert with part numbers SPMR421ENF and SPMR120304N-SF. The manufacturer part number is SPMR421ENF-AC820P. It features an AC820P grade for wear resistance. The insert is designed for secure clamping and consistent chip control in turning applications.
Where to buy SUMITOMO turning inserts worldwide?
You can source SUMITOMO turning inserts worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We provide genuine SUMITOMO inserts without claiming authorized distributor status.
How to select the correct SUMITOMO square turning insert?
To select the correct SUMITOMO square turning insert, match the insert size (e.g., SPMR421ENF or SPMR120304N-SF) to your tool holder's pocket. Consider the workpiece material and cutting conditions. The AC820P grade is suitable for steel and cast iron. Consult the manufacturer's catalog for feed and speed recommendations. 3G Electric can assist with sourcing.
Used in
Common applications for SUMITOMOSUMITOMO Products
3G Electric supplies SUMITOMO square (s) indexable turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
