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SUMITOMO Turning Insert (MPN RNMA43-AC405K) - Round (R) Indexable Turning Inserts
SUMITOMORound (R) Indexable Turning Inserts

SUMITOMO Turning Insert (MPN RNMA43-AC405K)

SUMITOMO Round (R) Indexable Turning Inserts.

SKU 3G-OTH-301478

Also listed as: RNMA43AC405K · RNMA43 AC405K

Brand
SUMITOMO
Item
Turning Insert
Category
Round (R) Indexable Turning Inserts
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Technical Specifications

SUMITOMO
Manufacturer Part Number
RNMA43-AC405K

Technical Documents

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

Product Description

SUMITOMO Round (R) Indexable Turning Inserts.

Frequently Asked Questions

What is SUMITOMO RNMA43-AC405K turning insert used for?

The SUMITOMO RNMA43-AC405K is a round indexable turning insert designed for general-purpose machining of steel and cast iron. It is commonly used in turning, facing, and profiling operations on CNC lathes and manual machines across industrial manufacturing.

What are the specifications of SUMITOMO RNMA43-AC405K?

The SUMITOMO RNMA43-AC405K turning insert has manufacturer part number RNMA43-AC405K and is a round (R) indexable insert. It is part of the AC405K grade, optimized for medium to heavy cutting in steel and cast iron. For detailed dimensions, consult the SUMITOMO catalog.

Where to buy SUMITOMO RNMA43-AC405K worldwide?

3G Electric supplies the SUMITOMO RNMA43-AC405K turning insert to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this genuine SUMITOMO insert.

How to select the right SUMITOMO turning insert for your application?

To select the correct SUMITOMO turning insert like the RNMA43-AC405K, match the insert shape, size, and grade to your workpiece material and cutting conditions. Round inserts are ideal for heavy roughing and profiling. Consult your machine tool manual or a SUMITOMO application guide for feed and speed recommendations.

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 round (r) 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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