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DORIANIndexable Boring Bars

DORIAN Indexable Boring Bar: S20U-MTUNR-3 (MPN 73310155212)

DORIAN Indexable Boring Bars.

SKU 3G-OTH-220576

Brand
DORIAN
Item
Indexable Boring Bar: S20U-MTUNR-3
Category
Indexable Boring Bars
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

DORIAN
Manufacturer Part Number
73310155212

Technical Documents

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

Product Description

DORIAN Indexable Boring Bars.

Frequently Asked Questions

What is the DORIAN Indexable Boring Bar S20U-MTUNR-3 used for?

The DORIAN Indexable Boring Bar S20U-MTUNR-3 is used for precision internal boring operations in metalworking. It is designed for use with indexable carbide inserts, making it suitable for machining bores, enlarging holes, and achieving tight tolerances in industries such as automotive, aerospace, and general manufacturing.

What are the specifications of the DORIAN Indexable Boring Bar S20U-MTUNR-3?

The DORIAN Indexable Boring Bar S20U-MTUNR-3 has the model number S20U-MTUNR-3 and manufacturer part number 73310155212. It is an indexable boring bar designed for internal turning operations. For detailed dimensional and insert compatibility specs, consult the DORIAN technical documentation.

Where to buy the DORIAN Indexable Boring Bar S20U-MTUNR-3 worldwide?

You can source the DORIAN Indexable Boring Bar S20U-MTUNR-3 worldwide through 3G Electric. As a global industrial equipment distributor since 1990, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact 3G Electric for availability and lead time.

How to select the correct DORIAN Indexable Boring Bar for my application?

To select the correct DORIAN Indexable Boring Bar, match the bar size and shank diameter to your machine tool's tool holder. Consider the bore depth and diameter required, and choose an insert geometry suitable for your workpiece material. The S20U-MTUNR-3 is a common choice for general-purpose boring. Consult DORIAN's catalog for guidance.

Used in

Common applications for DORIAN
General turning and profiling on manual lathes — DORIAN MDJNL165D indexable toolholder with DNMG inserts
Hard turning of hardened steel components (45-65 HRC) — DORIAN CCGT-21.51-NFU diamond inserts (CBN grade)
Quick-change tooling for job shops with frequent setup changes — DORIAN SDN50DA tool post for 17-32 in lathe swings
Finishing operations on non-ferrous materials (aluminum, brass) — DORIAN CCGT-060204-NFU PCD inserts
Replacement of worn clamp screws in indexable toolholders — DORIAN finger clamp screw MPN 73310190901
Profiling and contouring on CNC lathes — DORIAN MCLNR246E toolholder with CNMG inserts

DORIAN Products

3G Electric supplies DORIAN indexable boring bars. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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