ULTRA-DEX USA Indexable Boring Bar: E12S MWLNR3 (MPN 920-000-329)
SKU 3G-OTH-220831
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the ULTRA-DEX USA E12S MWLNR3 indexable boring bar used for?
The ULTRA-DEX USA E12S MWLNR3 indexable boring bar is used for internal turning and boring operations in metalworking. It is designed for precision machining of holes, bores, and internal diameters in industries such as automotive, aerospace, and general manufacturing. The MWLNR3 geometry supports efficient chip evacuation and surface finish.
What are the specifications of the ULTRA-DEX USA E12S MWLNR3 boring bar?
The ULTRA-DEX USA E12S MWLNR3 indexable boring bar has model number E12S MWLNR3 and manufacturer part number 920-000-329. It is designed for use with indexable inserts and is suitable for internal boring applications. The bar is made from high-quality steel for rigidity and precision. Contact 3G Electric for detailed dimensional specs.
Where to buy the ULTRA-DEX USA E12S MWLNR3 boring bar worldwide?
You can source the ULTRA-DEX USA E12S MWLNR3 indexable boring bar worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. We supply this ULTRA-DEX USA tooling to customers in manufacturing, aerospace, and automotive sectors globally.
How to select the correct insert for the ULTRA-DEX USA E12S MWLNR3 boring bar?
To select the correct insert for the ULTRA-DEX USA E12S MWLNR3 boring bar, match the insert shape and size to the MWLNR3 designation, which indicates a 80° diamond insert with a specific clearance angle. Use inserts designed for steel or cast iron based on your workpiece material. Consult the ULTRA-DEX USA catalog or contact 3G Electric for guidance.
Used in
Common applications for ULTRA-DEX USAULTRA-DEX USA Products
3G Electric supplies ULTRA-DEX USA indexable boring bars. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















