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

SUMITOMO Triangle Turning Insert: TPMT331EMU - Triangle (T) Indexable Turning Inserts
SUMITOMOTriangle (T) Indexable Turning Inserts

SUMITOMO Triangle Turning Insert: TPMT331EMU

The SUMITOMO Triangle Turning Insert, model TPMT331EMU (also referenced as TPMT160404N-MU and MPN TPMT331EMU-AC420K), is a triangle (T) indexable turning insert. Key specifications include the part numbers TPMT331EMU…

SKU 3G-OTH-322730

Also listed as: TPMT331EMUAC420K · TPMT331EMU AC420K

Brand
SUMITOMO
Item
Triangle Turning Insert: TPMT331EMU
Category
Triangle (T) 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
TPMT331EMU-AC420K

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, model TPMT331EMU (also referenced as TPMT160404N-MU and MPN TPMT331EMU-AC420K), is a triangle (T) indexable turning insert. Key specifications include the part numbers TPMT331EMU and TPMT160404N-MU.

Frequently Asked Questions

What is the SUMITOMO TPMT331EMU triangle turning insert used for?

The SUMITOMO TPMT331EMU (also TPMT160404N-MU) is a triangle indexable turning insert for general machining. It is used in lathe operations for turning, facing, and profiling on steel, stainless steel, and cast iron workpieces across industrial manufacturing.

What are the specifications of the SUMITOMO TPMT331EMU turning insert?

The SUMITOMO TPMT331EMU triangle turning insert is specified as TPMT331EMU and TPMT160404N-MU, with manufacturer part number TPMT331EMU-AC420K. It is a triangle (T) indexable insert designed for turning applications. Contact 3G Electric for detailed geometry and grade data.

Where to buy SUMITOMO TPMT331EMU turning inserts worldwide?

3G Electric supplies SUMITOMO TPMT331EMU (TPMT160404N-MU) triangle turning inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial sourcing partner, we provide genuine SUMITOMO inserts for machining operations.

How to select the correct SUMITOMO triangle turning insert for my lathe?

To select the correct SUMITOMO triangle turning insert like TPMT331EMU, match the insert shape (triangle T), size (IC 3/8 in or 9.525 mm), thickness, and nose radius to your tool holder. Confirm grade AC420K suits your workpiece material. 3G Electric can help verify compatibility.

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 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
SUMITOMO Triangle Turning Insert: TPMT331EMU, TPMT160404N-MU (MPN TPMT331EMU-AC8025P)
SUMITOMO
SUMITOMO Triangle Turning Insert: TPMT331EMU, TPMT160404N-MU (MPN TPMT331EMU-AC8025P)
SUMITOMO Triangle Turning Insert: TPMT332EMU, TPMT160408N-MU (MPN TPMT332EMU-AC8025P)
SUMITOMO
SUMITOMO Triangle Turning Insert: TPMT332EMU, TPMT160408N-MU (MPN TPMT332EMU-AC8025P)
SUMITOMO Triangle Turning Insert: TPMT332EMU, TPMT160408N-MU (MPN TPMT332EMU-AC810P)
SUMITOMO
SUMITOMO Triangle Turning Insert: TPMT332EMU, TPMT160408N-MU (MPN TPMT332EMU-AC810P)
SUMITOMO Triangle Turning Insert: TPMT331ESU, TPMT160404NSU (MPN TPMT331ESU-AC8025P)
SUMITOMO
SUMITOMO Triangle Turning Insert: TPMT331ESU, TPMT160404NSU (MPN TPMT331ESU-AC8025P)
SUMITOMO Triangle Turning Insert: TPMT331ESU, TPMT160404NSU (MPN TPMT331ESU-T1500Z)
SUMITOMO
SUMITOMO Triangle Turning Insert: TPMT331ESU, TPMT160404NSU (MPN TPMT331ESU-T1500Z)
SUMITOMO Triangle Turning Insert: TPMT331ESU, TPMT160404NSU (MPN TPMT331ESU-AC6040M)
SUMITOMO
SUMITOMO Triangle Turning Insert: TPMT331ESU, TPMT160404NSU (MPN TPMT331ESU-AC6040M)

More from SUMITOMO

View all SUMITOMO parts
SUMITOMO Triangle Turning Insert: TNMG331EEF, TNMG160404N-EF (MPN TNMG331EEF-AC5015S)
SUMITOMO
SUMITOMO Triangle Turning Insert: TNMG331EEF, TNMG160404N-EF (MPN TNMG331EEF-AC5015S)
SUMITOMO Triangle Turning Insert: TPMT331ESU, TPMT160404NSU (MPN TPMT331ESU-AC6030M)
SUMITOMO
SUMITOMO Triangle Turning Insert: TPMT331ESU, TPMT160404NSU (MPN TPMT331ESU-AC6030M)
SUMITOMO Triangle Turning Insert: TPMT331ENF, TPMT160404N-SF (MPN TPMT331ENF-AC5015S)
SUMITOMO
SUMITOMO Triangle Turning Insert: TPMT331ENF, TPMT160404N-SF (MPN TPMT331ENF-AC5015S)
SUMITOMO Triangle Turning Insert: TNMG432EUX, TNMG220408N-UX (MPN TNMG432EUX-AC8025P)
SUMITOMO
SUMITOMO Triangle Turning Insert: TNMG432EUX, TNMG220408N-UX (MPN TNMG432EUX-AC8025P)
SUMITOMO Triangle Turning Insert: TNMG432ESX, TNMG220408N-SX (MPN TNMG432ESX-AC8025P)
SUMITOMO
SUMITOMO Triangle Turning Insert: TNMG432ESX, TNMG220408N-SX (MPN TNMG432ESX-AC8025P)
SUMITOMO Triangle Turning Insert: TNGG330.5ESU, TNGG160402N-SU (MPN TNGG330.5ESU-T1500A)
SUMITOMO
SUMITOMO Triangle Turning Insert: TNGG330.5ESU, TNGG160402N-SU (MPN TNGG330.5ESU-T1500A)
SUMITOMO Triangle Turning Insert: TNMG544ENZ, TNMG270616N-UZ (MPN TNMG544ENZ-AC830P)
SUMITOMO
SUMITOMO Triangle Turning Insert: TNMG544ENZ, TNMG270616N-UZ (MPN TNMG544ENZ-AC830P)
SUMITOMO Triangle Turning Insert: NF-TPGA220.5, NF-TPGW110302 (MPN NFTPGA220.5-DA1000)
SUMITOMO
SUMITOMO Triangle Turning Insert: NF-TPGA220.5, NF-TPGW110302 (MPN NFTPGA220.5-DA1000)