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DORIANIndexable Boring Bars

DORIAN Indexable Boring Bar: S20U-MDUNR-4 (MPN 73310155070)

DORIAN Indexable Boring Bars.

SKU 3G-OTH-220570

Brand
DORIAN
Item
Indexable Boring Bar: S20U-MDUNR-4
Category
Indexable Boring Bars
Available to Order
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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

DORIAN
Manufacturer Part Number
73310155070

Technical Documents

No technical documents available for this product.
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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 S20U-MDUNR-4 indexable boring bar used for?

The DORIAN S20U-MDUNR-4 indexable boring bar is used for precision internal turning and boring operations in metalworking. It is designed for machining bores, enlarging holes, and achieving tight tolerances in industries such as automotive, aerospace, and general engineering.

What are the specifications of the DORIAN indexable boring bar 73310155070?

The DORIAN indexable boring bar model S20U-MDUNR-4 has manufacturer part number 73310155070. It is an indexable boring bar designed for internal machining. For detailed dimensions, insert compatibility, and shank size, consult the manufacturer's technical data sheet.

Where to buy DORIAN indexable boring bar S20U-MDUNR-4 worldwide?

3G Electric supplies the DORIAN indexable boring bar S20U-MDUNR-4 (MPN 73310155070) worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this precision boring tool.

How to select the correct DORIAN indexable boring bar for my application?

To select the correct DORIAN indexable boring bar, match the shank size (e.g., S20U) to your machine tool holder, choose the appropriate insert geometry for your material, and confirm the reach and bore diameter required. DORIAN offers various styles for different internal machining needs.

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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