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DORIAN Indexable Boring Bar: TPBN20-3 (MPN 73310155668) - Indexable Boring Bars
DORIANIndexable Boring Bars

DORIAN Indexable Boring Bar: TPBN20-3 (MPN 73310155668)

DORIAN Indexable Boring Bars.

SKU 3G-OTH-220649

Brand
DORIAN
Item
Indexable Boring Bar: TPBN20-3
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
73310155668

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 TPBN20-3 indexable boring bar used for?

The DORIAN TPBN20-3 indexable boring bar is used for precision internal turning and boring operations in metalworking. It is designed for use on CNC lathes and manual machines to enlarge or finish holes with high accuracy. Common applications include automotive, aerospace, and general machining industries where tight tolerances are required.

What are the specifications of the DORIAN TPBN20-3 boring bar?

The DORIAN TPBN20-3 indexable boring bar has model number TPBN20-3 and manufacturer part number 73310155668. It is an indexable boring bar designed for internal machining. For detailed dimensions, shank size, and insert compatibility, refer to the manufacturer's technical data sheet.

Where to buy the DORIAN TPBN20-3 boring bar worldwide?

You can source the DORIAN TPBN20-3 indexable boring bar through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. We supply genuine DORIAN tooling for international buyers.

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 workpiece bore size and depth. Consider the insert geometry for material type (steel, stainless, aluminum). The TPBN20-3 is a general-purpose bar. Always verify shank compatibility with your tool holder and consult DORIAN's application guide.

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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