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DORIANIndexable Boring Bars

DORIAN Indexable Boring Bar: S20U-MTUNL-3 (MPN 73310155213)

SKU 3G-OTH-220574

Brand
DORIAN
Item
Indexable Boring Bar: S20U-MTUNL-3
Category
Indexable Boring Bars
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Technical Specifications

DORIAN
Manufacturer Part Number
73310155213
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DORIAN Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

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

The DORIAN S20U-MTUNL-3 is an indexable boring bar designed for precision internal turning operations in metalworking. It is commonly used in machining centers and lathes to enlarge, finish, or contour pre-drilled holes in materials such as steel, stainless steel, and cast iron.

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

The DORIAN Indexable Boring Bar model S20U-MTUNL-3 has manufacturer part number 73310155213. It features an indexable insert design for efficient cutting edge replacement. For detailed dimensions and insert compatibility, consult the manufacturer's technical data sheet.

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

3G Electric supplies the DORIAN Indexable Boring Bar S20U-MTUNL-3 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this precision boring bar.

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

To select the correct DORIAN indexable boring bar, match the bar diameter and length to your machine's tool holder and the hole depth required. Consider the insert geometry for your workpiece material. The S20U-MTUNL-3 is a common choice for general-purpose internal turning in steel and cast iron.

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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