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SUMITOMO Triangle Turning Insert: TNMN334 - Triangle (T) Indexable Turning Inserts
SUMITOMOTriangle (T) Indexable Turning Inserts

SUMITOMO Triangle Turning Insert: TNMN334

The SUMITOMO Triangle Turning Insert, model TNMN334 (MPN TNMN334-AC420K), is a triangle (T) indexable turning insert. It is also available as the TNMN160416 variant. This product is designed for turning operations.

SKU 3G-OTH-323822

Also listed as: TNMN334AC420K · TNMN334 AC420K

Brand
SUMITOMO
Item
Triangle Turning Insert: TNMN334
Category
Triangle (T) Indexable Turning Inserts
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Technical Specifications

SUMITOMO
Manufacturer Part Number
TNMN334-AC420K

Technical Documents

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

Product Description

The SUMITOMO Triangle Turning Insert, model TNMN334 (MPN TNMN334-AC420K), is a triangle (T) indexable turning insert. It is also available as the TNMN160416 variant. This product is designed for turning operations.

Frequently Asked Questions

What is the SUMITOMO TNMN334 triangle turning insert used for?

The SUMITOMO TNMN334 (MPN TNMN334-AC420K) is a triangle (T) indexable turning insert designed for turning operations on metal workpieces. It is commonly used in lathe applications for external and internal turning, facing, and profiling in general machining, automotive, and industrial manufacturing.

What are the specifications of the SUMITOMO TNMN334 turning insert?

The SUMITOMO TNMN334 turning insert is a triangle (T) indexable insert with model TNMN334, also available as TNMN160416. The manufacturer part number is TNMN334-AC420K. It is designed for turning operations and is made by SUMITOMO. For detailed dimensions and grade, consult the manufacturer's datasheet.

Where to buy SUMITOMO TNMN334 turning inserts worldwide?

You can source SUMITOMO TNMN334 turning inserts worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this SUMITOMO insert.

How to select the correct SUMITOMO triangle turning insert for my lathe?

To select the correct SUMITOMO triangle turning insert, match the insert size (TNMN334 or TNMN160416) to your tool holder's pocket and clamping system. Consider the workpiece material and required finish. The AC420K grade is suitable for general turning. Always verify the insert's inscribed circle and thickness against your holder's specifications.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
SUMITOMO Triangle Turning Insert: TNMN333, TNMN160412 (MPN TNMN333-AC420K)
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SUMITOMO Triangle Turning Insert: TNMA334, TNMA160416 (MPN TNMA334-AC420K)
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SUMITOMO Triangle Turning Insert: TNMA334, TNMA160416 (MPN TNMA334-AC415K)

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