We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

SUMITOMO Square Turning Insert: SPG321 - Square (S) Indexable Turning Inserts
SUMITOMOSquare (S) Indexable Turning Inserts

SUMITOMO Square Turning Insert: SPG321

The SUMITOMO Square Turning Insert, model SPG321 (MPN SPG321-T1500A) and SPGN090304, is a square (S) indexable turning insert. It is available in two specifications: SPG321 and SPGN090304.

SKU 3G-OTH-229209

Also listed as: SPG321T1500A · SPG321 T1500A

Brand
SUMITOMO
Item
Square Turning Insert: SPG321
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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SUMITOMO
Manufacturer Part Number
SPG321-T1500A

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 SPG321 (MPN SPG321-T1500A) and SPGN090304, is a square (S) indexable turning insert. It is available in two specifications: SPG321 and SPGN090304.

Frequently Asked Questions

What is the SUMITOMO SPG321 square turning insert used for?

The SUMITOMO SPG321 square turning insert is used for general turning, facing, and profiling operations on metal workpieces. Its square shape provides four cutting edges, making it suitable for roughing and finishing in automotive, aerospace, and general machining industries.

What are the specifications of the SUMITOMO SPG321 turning insert?

The SUMITOMO SPG321 turning insert is available as SPG321 (SPG321-T1500A) and SPGN090304. It is a square (S) indexable insert for turning. The manufacturer part number is SPG321-T1500A. These inserts are designed for precision metal cutting applications.

Where to buy SUMITOMO SPG321 turning inserts worldwide?

You can source SUMITOMO SPG321 turning inserts worldwide through 3G Electric, a global industrial equipment distributor. 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 square turning insert for my lathe?

To select the correct SUMITOMO square turning insert, match the insert size (SPG321 or SPGN090304) to your tool holder's pocket. Ensure the insert grade suits your workpiece material and cutting conditions. Consult your machine manual or a SUMITOMO catalog for compatibility and feed/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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SUMITOMO Square Turning Insert: SPG322, SPGN090308 (MPN SPG322-T1500A)
SUMITOMO
SUMITOMO Square Turning Insert: SPG322, SPGN090308 (MPN SPG322-T1500A)
SUMITOMO Square Turning Insert: SPG421, SPGN120304 (MPN SPG421-T1500A)
SUMITOMO
SUMITOMO Square Turning Insert: SPG421, SPGN120304 (MPN SPG421-T1500A)
SUMITOMO Square Turning Insert: SPG422, SPGN120308 (MPN SPG422-T1500Z)
SUMITOMO
SUMITOMO Square Turning Insert: SPG422, SPGN120308 (MPN SPG422-T1500Z)
SUMITOMO Square Turning Insert: SPG422, SPGN120308 (MPN SPG422-T1500A)
SUMITOMO
SUMITOMO Square Turning Insert: SPG422, SPGN120308 (MPN SPG422-T1500A)
SUMITOMO Square Turning Insert: SPG632, SPGN190408 (MPN SPG632-AC8025P)
SUMITOMO
SUMITOMO Square Turning Insert: SPG632, SPGN190408 (MPN SPG632-AC8025P)
SUMITOMO Square Turning Insert: SPG634, SPGN190416 (MPN SPG634-AC8025P)
SUMITOMO
SUMITOMO Square Turning Insert: SPG634, SPGN190416 (MPN SPG634-AC8025P)

More from SUMITOMO

View all SUMITOMO parts
SUMITOMO Square Turning Insert: SNMG643EEG, SNMG190612N-EG (MPN SNMG643EEG-AC6030M)
SUMITOMO
SUMITOMO Square Turning Insert: SNMG643EEG, SNMG190612N-EG (MPN SNMG643EEG-AC6030M)
SUMITOMO Square Turning Insert: SNMG643EUX, SNMG190612NUX (MPN SNMG643EUX-AC830P)
SUMITOMO
SUMITOMO Square Turning Insert: SNMG643EUX, SNMG190612NUX (MPN SNMG643EUX-AC830P)
SUMITOMO Square Turning Insert: SNMM433EHG, SNMM120412N-HG (MPN SNMM433EHG-AC8025P)
SUMITOMO
SUMITOMO Square Turning Insert: SNMM433EHG, SNMM120412N-HG (MPN SNMM433EHG-AC8025P)
SUMITOMO Square Turning Insert: SNMG644ENZ, SNMG190616N-UZ (MPN SNMG644ENZ-AC830P)
SUMITOMO
SUMITOMO Square Turning Insert: SNMG644ENZ, SNMG190616N-UZ (MPN SNMG644ENZ-AC830P)
SUMITOMO Square Turning Insert: SNMG432EEX, SNMG120408NEX (MPN SNMG432EEX-AC6030M)
SUMITOMO
SUMITOMO Square Turning Insert: SNMG432EEX, SNMG120408NEX (MPN SNMG432EEX-AC6030M)
SUMITOMO Square Turning Insert: SNMG432EUP, SNMG120408N-UP (MPN SNMG432EUP-AC8025P)
SUMITOMO
SUMITOMO Square Turning Insert: SNMG432EUP, SNMG120408N-UP (MPN SNMG432EUP-AC8025P)
SUMITOMO Square Turning Insert: NF-SNEW09T3ADTRR, NF-SNEW09T3ADTR-R (MPN NFSNEW09T3ADTRR-DA1000)
SUMITOMO
SUMITOMO Square Turning Insert: NF-SNEW09T3ADTRR, NF-SNEW09T3ADTR-R (MPN NFSNEW09T3ADTRR-DA1000)
SUMITOMO Square Turning Insert: SNMG433EGU, SNMG120412NGU (MPN SNMG433EGU-AC810P)
SUMITOMO
SUMITOMO Square Turning Insert: SNMG433EGU, SNMG120412NGU (MPN SNMG433EGU-AC810P)