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SUMITOMO Triangle Turning Insert: TNMA331 - Triangle (T) Indexable Turning Inserts
SUMITOMOTriangle (T) Indexable Turning Inserts

SUMITOMO Triangle Turning Insert: TNMA331

The SUMITOMO Triangle Turning Insert, model TNMA331 (MPN TNMA331-AC5015S) and TNMA160404, is a triangle (T) indexable turning insert. It is available in two size variants: TNMA331 and TNMA160404.

SKU 3G-OTH-322955

Also listed as: TNMA331AC5015S · TNMA331 AC5015S

Brand
SUMITOMO
Item
Triangle Turning Insert: TNMA331
Category
Triangle (T) Indexable Turning Inserts
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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

Technical Specifications

SUMITOMO
Manufacturer Part Number
TNMA331-AC5015S

Technical Documents

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SUMITOMO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SUMITOMO Triangle Turning Insert, model TNMA331 (MPN TNMA331-AC5015S) 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 turning insert used for?

The SUMITOMO TNMA331 triangle turning insert is used for general turning, facing, and profiling operations on metal workpieces. It is commonly applied in automotive, aerospace, and general machining industries where reliable cutting performance and insert indexing are required.

What are the specifications of the SUMITOMO TNMA331 insert?

The SUMITOMO TNMA331 insert is a triangle (T) indexable turning insert available in two size variants: TNMA331 and TNMA160404. The manufacturer part number is TNMA331-AC5015S. It is designed for use with appropriate tool holders and is suitable for medium-duty machining.

Where to buy SUMITOMO TNMA331 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 technical guidance and reliable supply.

How to select the correct SUMITOMO TNMA331 insert for my application?

To select the correct SUMITOMO TNMA331 insert, match the insert size (TNMA331 or TNMA160404) to your tool holder pocket and confirm the grade AC5015S suits your workpiece material and cutting conditions. Consult your tool holder manufacturer’s compatibility chart and consider feed, speed, and depth of cut for optimal performance.

Used in

Common applications for SUMITOMO
Automotive engine block machining — Sumitomo SNMG square turning inserts for facing and boring cast iron
Aerospace component turning — Sumitomo DNMG diamond inserts with UP chipbreaker for finishing titanium alloys
Oil and gas valve production — Sumitomo TPMR triangle inserts with T1500Z grade for threading stainless steel
General engineering shaft turning — Sumitomo CNMG diamond inserts with LU chipbreaker for medium interrupted cuts
Mold and die finishing — Sumitomo VNMG diamond inserts with UZ chipbreaker for hardened steel profiling
Heavy equipment repair — Sumitomo TCMT triangle inserts with AC810P grade for turning wear-resistant steels

SUMITOMO 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.

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Cross-referenced by specification & description
SUMITOMO Triangle Turning Insert: TNMA331, TNMA160404 (MPN TNMA331-AC5025S)
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