SUMITOMO Triangle Turning Insert: TNMA331
The SUMITOMO Triangle Turning Insert, model TNMA331 (MPN TNMA331-AC420K) and TNMA160404, is a triangle (T) indexable turning insert. It is available in two size variants: TNMA331 and TNMA160404.
SKU 3G-OTH-324525
Also listed as: TNMA331AC420K · TNMA331 AC420K
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 Triangle Turning Insert, model TNMA331 (MPN TNMA331-AC420K) and TNMA160404, is a triangle (T) indexable turning insert. It is available in two size variants: TNMA331 and TNMA160404.
Frequently Asked Questions
What is the SUMITOMO TNMA331 triangle turning insert used for?
The SUMITOMO TNMA331 triangle turning insert is used for general turning, facing, and profiling operations on metal workpieces. Its triangular shape provides three cutting edges for cost-effective machining. It is commonly applied in automotive, aerospace, and general engineering industries.
What are the specifications of the SUMITOMO TNMA331-AC420K insert?
The SUMITOMO TNMA331-AC420K is a triangle (T) indexable turning insert with size variant TNMA331 (equivalent to TNMA160404). The manufacturer part number is TNMA331-AC420K. It is designed for use in turning holders that accept TNMA-style inserts.
Where to buy SUMITOMO TNMA331 turning inserts worldwide?
3G Electric supplies SUMITOMO TNMA331 turning inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine SUMITOMO inserts and support procurement teams with accurate quoting and technical guidance.
How to select the correct SUMITOMO TNMA331 insert for my lathe?
To select the correct SUMITOMO TNMA331 insert, match the insert size (TNMA331 or TNMA160404) to your tool holder's pocket. Verify the insert's grade (AC420K) suits your workpiece material and cutting conditions. Consult your tool holder manual or contact 3G Electric for application support.
Used in
Common applications for SUMITOMOSUMITOMO Products
3G Electric supplies SUMITOMO triangle (t) indexable turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
