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SUMITOMO Square Turning Insert: SPMT321ELU - Square (S) Indexable Turning Inserts
SUMITOMOSquare (S) Indexable Turning Inserts

SUMITOMO Square Turning Insert: SPMT321ELU

The SUMITOMO Square Turning Insert, available in models SPMT321ELU and SPMT090304NLU, is a square (S) indexable turning insert. The SPMT321ELU variant carries the manufacturer part number SPMT321ELU-AC6040M.

SKU 3G-OTH-229255

Also listed as: SPMT321ELUAC6040M · SPMT321ELU AC6040M

Brand
SUMITOMO
Item
Square Turning Insert: SPMT321ELU
Category
Square (S) Indexable Turning Inserts
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Technical Specifications

SUMITOMO
Manufacturer Part Number
SPMT321ELU-AC6040M

Technical Documents

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

Product Description

The SUMITOMO Square Turning Insert, available in models SPMT321ELU and SPMT090304NLU, is a square (S) indexable turning insert. The SPMT321ELU variant carries the manufacturer part number SPMT321ELU-AC6040M.

Frequently Asked Questions

What is the SUMITOMO Square Turning Insert used for?

The SUMITOMO Square Turning Insert is used for general turning, facing, and profiling operations on metal workpieces. Its square (S) shape provides four cutting edges for cost-effective machining. It is commonly applied in automotive, aerospace, and general engineering industries for medium to finishing cuts on steel, stainless steel, and cast iron.

What are the specifications of the SUMITOMO SPMT321ELU and SPMT090304NLU inserts?

The SUMITOMO Square Turning Insert is available in two models: SPMT321ELU and SPMT090304NLU. The SPMT321ELU variant carries the manufacturer part number SPMT321ELU-AC6040M. Both are square (S) indexable turning inserts designed for precision metal cutting. For detailed dimensions and grade, consult the manufacturer's datasheet.

Where to buy SUMITOMO Square Turning Inserts worldwide?

You can source SUMITOMO Square 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. We supply genuine SUMITOMO inserts for your machining needs.

How to select the correct SUMITOMO Square Turning Insert for my application?

To select the correct SUMITOMO Square Turning Insert, match the insert geometry (SPMT321ELU or SPMT090304NLU) to your workpiece material and operation. Consider the grade AC6040M for steel and stainless steel. Ensure the insert fits your tool holder's pocket size and clamping system. Consult SUMITOMO's technical literature 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 square (s) 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 Square Turning Insert: SPMT322ELU, SPMT090308NLU (MPN SPMT322ELU-AC6040M)
SUMITOMO
SUMITOMO Square Turning Insert: SPMT322ELU, SPMT090308NLU (MPN SPMT322ELU-AC6040M)
SUMITOMO Square Turning Insert: SPMT321ELU, SPMT090304NLU (MPN SPMT321ELU-AC6030M)
SUMITOMO
SUMITOMO Square Turning Insert: SPMT321ELU, SPMT090304NLU (MPN SPMT321ELU-AC6030M)
SUMITOMO Square Turning Insert: SPMT322ELU, SPMT090308NLU (MPN SPMT322ELU-AC6030M)
SUMITOMO
SUMITOMO Square Turning Insert: SPMT322ELU, SPMT090308NLU (MPN SPMT322ELU-AC6030M)
SUMITOMO Square Turning Insert: SPMT321ENF, SPMT090304N-SF (MPN SPMT321ENF-AC830P)
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SUMITOMO Square Turning Insert: SPMT321ENF, SPMT090304N-SF (MPN SPMT321ENF-AC830P)
SUMITOMO Square Turning Insert: SPMT322ENF, SPMT090308N-SF (MPN SPMT322ENF-AC830P)
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SUMITOMO Square Turning Insert: SPMT322ENF, SPMT090308N-SF (MPN SPMT322ENF-AC830P)
SUMITOMO Square Turning Insert: SPMT321ENF, SPMT090304N-SF (MPN SPMT321ENF-AC820P)
SUMITOMO
SUMITOMO Square Turning Insert: SPMT321ENF, SPMT090304N-SF (MPN SPMT321ENF-AC820P)

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