DORIAN Indexable Boring Bar: S20U-MTFNR-4 (MPN 73310155170)
SKU 3G-OTH-220573
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Frequently Asked Questions
What is the DORIAN S20U-MTFNR-4 indexable boring bar used for?
The DORIAN S20U-MTFNR-4 indexable boring bar is used for internal turning and boring operations in metalworking. It is designed for precision machining of holes, enlarging existing bores, and achieving tight tolerances in industries such as automotive, aerospace, and general engineering.
What are the specifications of the DORIAN S20U-MTFNR-4 boring bar?
The DORIAN S20U-MTFNR-4 indexable boring bar has the model number S20U-MTFNR-4 and manufacturer part number 73310155170. It is an indexable boring bar designed for internal machining. For detailed dimensions and insert compatibility, consult the manufacturer's technical data.
Where to buy the DORIAN S20U-MTFNR-4 boring bar worldwide?
You can source the DORIAN S20U-MTFNR-4 indexable boring bar worldwide through 3G Electric. As a global industrial equipment distributor, 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 insert geometry to your bore diameter, depth, and material. The S20U-MTFNR-4 is suitable for general boring. Ensure the shank fits your tool holder and that the insert grade matches your workpiece hardness. Consult DORIAN's catalog for guidance.
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Common applications for DORIANDORIAN 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.




