Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

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, model SPMT321ELU (MPN SPMT321ELU-AC6030M) and SPMT090304NLU, is a square (S) indexable turning insert. It is available in two variants: SPMT321ELU and SPMT090304NLU.

SKU 3G-OTH-229254

Also listed as: SPMT321ELUAC6030M · SPMT321ELU AC6030M

Brand
SUMITOMO
Item
Square Turning Insert: SPMT321ELU
Category
Square (S) Indexable Turning Inserts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
SPMT321ELU-AC6030M

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SUMITOMO Square Turning Insert, model SPMT321ELU (MPN SPMT321ELU-AC6030M) and SPMT090304NLU, is a square (S) indexable turning insert. It is available in two variants: SPMT321ELU and SPMT090304NLU.

Frequently Asked Questions

What is the SUMITOMO Square Turning Insert used for?

The SUMITOMO Square Turning Insert is used for precision turning operations in metalworking. Its square (S) indexable design provides four cutting edges, making it suitable for general-purpose machining of steel, stainless steel, and cast iron in industries like automotive and aerospace.

What are the specifications of the SUMITOMO SPMT321ELU insert?

The SUMITOMO SPMT321ELU insert has MPN SPMT321ELU-AC6030M and is a square indexable turning insert. It is available in two variants: SPMT321ELU and SPMT090304NLU. The AC6030M grade is designed for stable cutting in medium to heavy machining conditions.

Where to buy SUMITOMO turning inserts worldwide?

3G Electric supplies SUMITOMO Square Turning Inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver these inserts to your facility. Contact us for pricing and lead time on the SPMT321ELU-AC6030M and SPMT090304NLU variants.

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

Selecting the right SUMITOMO turning insert depends on workpiece material, cutting speed, and depth of cut. For general turning of steel, the SPMT321ELU with AC6030M grade offers good wear resistance. Always match the insert geometry to your tool holder and consult machining parameters 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 square (s) indexable turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Square (S) indexable turning insert with four cutting edges for cost-effective machining. Used for general turning, facing, and profiling operations on metal workpieces. Suitable for medium to finishing cuts on steel, stainless steel, and cast iron
SUMITOMO
Square (S) indexable turning insert with four cutting edges for cost-effective machining. Used for general turning, facing, and profiling operations on metal workpieces. Suitable for medium to finishing cuts on steel, stainless steel, and cast iron
Square (S) indexable turning insert for metal-cutting operations on lathes. Used for turning, facing, and profiling of materials such as steel and stainless steel in industrial manufacturing
SUMITOMO
Square (S) indexable turning insert for metal-cutting operations on lathes. Used for turning, facing, and profiling of materials such as steel and stainless steel in industrial manufacturing
Square (S) indexable turning insert for metal-cutting operations. Used in general-purpose turning of steel, stainless steel, and cast iron. Available in geometry variants SPMT322ELU and SPMT090308NLU
SUMITOMO
Square (S) indexable turning insert for metal-cutting operations. Used in general-purpose turning of steel, stainless steel, and cast iron. Available in geometry variants SPMT322ELU and SPMT090308NLU
Square (S) indexable turning insert for general turning operations on lathes. Used for machining, finishing, and profiling of metal workpieces. Manufacturer part number SPMT321ENF-AC830P
SUMITOMO
Square (S) indexable turning insert for general turning operations on lathes. Used for machining, finishing, and profiling of metal workpieces. Manufacturer part number SPMT321ENF-AC830P
Square (S) indexable turning insert with four cutting edges for cost-effective machining. Suitable for general turning, facing, and profiling operations on metal workpieces in medium to finishing cuts
SUMITOMO
Square (S) indexable turning insert with four cutting edges for cost-effective machining. Suitable for general turning, facing, and profiling operations on metal workpieces in medium to finishing cuts
Square (S) indexable turning insert for general turning, facing, and profiling operations on lathes. Available in two chipbreaker geometries: SPMT322ENF and SPMT090308N-SF. Manufacturer part number SPMT322ENF-AC820P
SUMITOMO
Square (S) indexable turning insert for general turning, facing, and profiling operations on lathes. Available in two chipbreaker geometries: SPMT322ENF and SPMT090308N-SF. Manufacturer part number SPMT322ENF-AC820P

More from SUMITOMO

View all SUMITOMO parts
Square indexable turning insert with four cutting edges for turning, facing, and profiling operations. Designated as SNMN434 and SNMN120416, with 12.7 mm inscribed circle and 4.76 mm thickness. Suitable for general-purpose metal cutting on lathes
SUMITOMO
Square indexable turning insert with four cutting edges for turning, facing, and profiling operations. Designated as SNMN434 and SNMN120416, with 12.7 mm inscribed circle and 4.76 mm thickness. Suitable for general-purpose metal cutting on lathes
Square indexable turning insert for general turning, facing, and profiling operations on metal workpieces. Suitable for use in CNC lathes and manual machining centers
SUMITOMO
Square indexable turning insert for general turning, facing, and profiling operations on metal workpieces. Suitable for use in CNC lathes and manual machining centers
Square (S) indexable turning insert for general turning, facing, and profiling operations on metal workpieces. Suitable for medium to rough machining with reliable cutting performance and chip control. Also referenced as SNMG120408N-EM
SUMITOMO
Square (S) indexable turning insert for general turning, facing, and profiling operations on metal workpieces. Suitable for medium to rough machining with reliable cutting performance and chip control. Also referenced as SNMG120408N-EM
Square (S) indexable turning insert for general turning, facing, and profiling operations on metal workpieces. Suitable for use in CNC lathes and manual machining applications
SUMITOMO
Square (S) indexable turning insert for general turning, facing, and profiling operations on metal workpieces. Suitable for use in CNC lathes and manual machining applications
Square (S) indexable turning insert with four cutting edges for general turning, facing, and profiling operations. Suitable for machining steel and stainless steel in industrial manufacturing
SUMITOMO
Square (S) indexable turning insert with four cutting edges for general turning, facing, and profiling operations. Suitable for machining steel and stainless steel in industrial manufacturing
Square (S) indexable turning insert for general turning, facing, and profiling operations on lathes. Alternate reference SNMN120408. Grade AC5025S provides balanced wear resistance
SUMITOMO
Square (S) indexable turning insert for general turning, facing, and profiling operations on lathes. Alternate reference SNMN120408. Grade AC5025S provides balanced wear resistance
Square (S) indexable turning insert for general turning, facing, and profiling operations on metal workpieces. Suitable for use in CNC lathes and manual machining centers
SUMITOMO
Square (S) indexable turning insert for general turning, facing, and profiling operations on metal workpieces. Suitable for use in CNC lathes and manual machining centers
Square (S) indexable turning insert for general turning operations on metal workpieces. Designed for use in lathes and turning centers, providing repeatable indexing and reliable cutting performance
SUMITOMO
Square (S) indexable turning insert for general turning operations on metal workpieces. Designed for use in lathes and turning centers, providing repeatable indexing and reliable cutting performance