SUMITOMO Square Turning Insert: SPMN421
The SUMITOMO Square Turning Insert, model SPMN421 (also referenced as SPMN120304 and MPN SPMN421-AC415K), is a square (S) indexable turning insert. Key specifications include the part numbers SPMN421 and SPMN120304.
SKU 3G-OTH-229231
Also listed as: SPMN421AC415K · SPMN421 AC415K
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The SUMITOMO Square Turning Insert, model SPMN421 (also referenced as SPMN120304 and MPN SPMN421-AC415K), is a square (S) indexable turning insert. Key specifications include the part numbers SPMN421 and SPMN120304.
Frequently Asked Questions
What is the SUMITOMO SPMN421 square turning insert used for?
The SUMITOMO SPMN421 square turning insert is used for general turning, facing, and profiling operations on metal workpieces. Its square shape provides four cutting edges, making it economical for medium-duty machining in industries like automotive and general engineering.
What are the specifications of the SUMITOMO SPMN421 insert?
The SUMITOMO SPMN421 insert is a square (S) indexable turning insert with part numbers SPMN421 and SPMN120304. The manufacturer part number is SPMN421-AC415K. It is designed for use in turning applications and is available from 3G Electric.
Where to buy SUMITOMO SPMN421 turning inserts worldwide?
3G Electric supplies SUMITOMO SPMN421 turning inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this square indexable insert for your machining operations.
How to select the correct SUMITOMO square turning insert?
To select the correct SUMITOMO square turning insert, match the part number (SPMN421 or SPMN120304) to your tool holder's pocket size. Ensure the insert grade suits your workpiece material and cutting conditions. 3G Electric can help confirm compatibility for your application.
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.
