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

3G Electric
SUMITOMO TNPR321T-T1500A Triangle (T) Indexable Turning Insert - Triangle (T) Indexable Turning Inserts
SUMITOMOTriangle (T) Indexable Turning Inserts

SUMITOMO TNPR321T-T1500A Triangle (T) Indexable Turning Insert

The SUMITOMO Triangle Turning Insert, available in models TNPR321T and TNGG160304R-ST, is a Triangle (T) Indexable Turning Insert. This product is identified by Manufacturer Part Number TNPR321T-T1500A and is offered…

SKU 3G-OTH-324036

Also listed as: TNPR321TT1500A · TNPR321T T1500A

Brand
SUMITOMO
Item
TNPR321T-T1500A Triangle
Part Number
TNPR321T-T1500A
Category
Triangle (T) Indexable Turning Inserts
Available to Order
Also known as:TNPR321T-T1500ASUMITOMO
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
TNPR321T-T1500A
Model
TNPR321T-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 Triangle Turning Insert, available in models TNPR321T and TNGG160304R-ST, is a Triangle (T) Indexable Turning Insert. This product is identified by Manufacturer Part Number TNPR321T-T1500A and is offered under SKU TNPR321T-T1500A.

Frequently Asked Questions

What is the SUMITOMO Triangle Turning Insert used for?

The SUMITOMO Triangle Turning Insert is used for precision turning operations on lathes. Its triangular shape provides three cutting edges for efficient metal removal. It is commonly applied in general machining, automotive, and aerospace industries for external and internal turning, facing, and profiling of steel, stainless steel, and cast iron.

What are the specifications of the SUMITOMO Triangle Turning Insert?

The SUMITOMO Triangle Turning Insert is available in models TNPR321T and TNGG160304R-ST, with Manufacturer Part Number TNPR321T-T1500A. It is a Triangle (T) Indexable Turning Insert. The insert geometry and grade are designed for reliable cutting performance. For detailed dimensions and grade specifics, consult the manufacturer's datasheet.

Where to buy SUMITOMO Triangle Turning Insert worldwide?

You can source the SUMITOMO Triangle Turning Insert worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply genuine SUMITOMO inserts to customers across multiple industries.

How to select the correct SUMITOMO Triangle Turning Insert?

To select the correct SUMITOMO Triangle Turning Insert, match the insert model (TNPR321T or TNGG160304R-ST) to your tool holder's pocket size and clamping system. Consider your workpiece material, cutting speed, feed rate, and depth of cut. For optimal results, consult the SUMITOMO technical catalog or contact 3G Electric for guidance.

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from SUMITOMO

View all SUMITOMO parts
Triangle (T) indexable turning insert for general turning, facing, and profiling operations on metal workpieces. Available in two part-number variants: TNMG332ESX and TNMG160408N-SX
SUMITOMO
Triangle (T) indexable turning insert for general turning, facing, and profiling operations on metal workpieces. Available in two part-number variants: TNMG332ESX and TNMG160408N-SX
Triangle indexable turning insert for general turning, facing, and profiling operations on metal workpieces. Suitable for medium-duty machining of steel, stainless steel, and cast iron in CNC and manual lathes. Grade AC8025P provides wear resistance
SUMITOMO
Triangle indexable turning insert for general turning, facing, and profiling operations on metal workpieces. Suitable for medium-duty machining of steel, stainless steel, and cast iron in CNC and manual lathes. Grade AC8025P provides wear resistance
Triangle (T) indexable turning insert for precision turning, facing, and profiling on CNC lathes. Features a precision-ground geometry for consistent cutting performance in medium to finishing operations. Also referenced as TPGT080204R-FX
SUMITOMO
Triangle (T) indexable turning insert for precision turning, facing, and profiling on CNC lathes. Features a precision-ground geometry for consistent cutting performance in medium to finishing operations. Also referenced as TPGT080204R-FX
Triangle (T) indexable turning insert with 60° included angle, designed for light to medium cutting applications. Suitable for general turning, facing, and profiling operations on metal workpieces in CNC and manual lathes
SUMITOMO
Triangle (T) indexable turning insert with 60° included angle, designed for light to medium cutting applications. Suitable for general turning, facing, and profiling operations on metal workpieces in CNC and manual lathes
Triangle (T) indexable turning insert for general turning, facing, and profiling operations. Suitable for light to medium cutting on steel, stainless steel, and cast iron. Used in CNC and manual lathes
SUMITOMO
Triangle (T) indexable turning insert for general turning, facing, and profiling operations. Suitable for light to medium cutting on steel, stainless steel, and cast iron. Used in CNC and manual lathes
Triangle (T) indexable turning insert for precision metal cutting. Suitable for turning, facing, and profiling operations in general machining. Available in TPMT332ESU and TPMT160408NSU variants
SUMITOMO
Triangle (T) indexable turning insert for precision metal cutting. Suitable for turning, facing, and profiling operations in general machining. Available in TPMT332ESU and TPMT160408NSU variants
Triangle (T) indexable turning insert for external and internal turning operations on lathes. Suitable for general metal removal in machining applications
SUMITOMO
Triangle (T) indexable turning insert for external and internal turning operations on lathes. Suitable for general metal removal in machining applications
Triangle (T) indexable turning insert for general-purpose machining of metals. The triangular shape provides three cutting edges for cost-effective material removal. Suitable for medium to finishing cuts on lathes
SUMITOMO
Triangle (T) indexable turning insert for general-purpose machining of metals. The triangular shape provides three cutting edges for cost-effective material removal. Suitable for medium to finishing cuts on lathes

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first