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ULTRA-DEX USA Indexable Boring Bar: E12Q STUPR3 (MPN 920-000-321) - Indexable Boring Bars
ULTRA-DEX USAIndexable Boring Bars

ULTRA-DEX USA Indexable Boring Bar: E12Q STUPR3 (MPN 920-000-321)

SKU 3G-OTH-220186

Brand
ULTRA-DEX USA
Item
Indexable Boring Bar: E12Q STUPR3
Category
Indexable Boring Bars
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Technical Specifications

ULTRA-DEX USA
Manufacturer Part Number
920-000-321
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ULTRA-DEX USA Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the ULTRA-DEX USA E12Q STUPR3 indexable boring bar used for?

The ULTRA-DEX USA E12Q STUPR3 indexable boring bar is used for precision internal machining operations such as boring, facing, and contouring in metalworking. It is designed for use in CNC lathes and manual machines across industries like aerospace, automotive, and general manufacturing.

What are the specifications of the ULTRA-DEX USA indexable boring bar 920-000-321?

The ULTRA-DEX USA indexable boring bar model 920-000-321 has the designation E12Q STUPR3. This indicates a specific shank size and insert geometry for internal turning. For detailed dimensions and insert compatibility, consult the manufacturer's technical data sheet.

Where to buy ULTRA-DEX USA indexable boring bars worldwide?

3G Electric supplies ULTRA-DEX USA indexable boring bars worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the E12Q STUPR3 model 920-000-321.

How to select the correct ULTRA-DEX USA indexable boring bar for my application?

To select the correct ULTRA-DEX USA indexable boring bar, match the shank size (E12Q) to your tool holder, and choose the insert geometry (STUPR3) based on material and finish requirements. Consider bore depth, diameter, and machine rigidity. 3G Electric can help interpret your needs and source the right tool.

Used in

Common applications for ULTRA-DEX USA
General turning of steel components — ULTRA-DEX USA CNMG 322 UD51 diamond inserts for roughing and finishing on CNC lathes.
Grooving operations in automotive parts — ULTRA-DEX USA NG 3R cutting unit head with MH32 NER3-CFT insert for precision grooves.
Threading of stainless steel fittings — ULTRA-DEX USA NG 4R cutting unit head with MH40 NEL4-CFT insert for consistent thread profiles.
Profiling of cast iron housings — ULTRA-DEX USA TNMG431 UD21 triangle inserts for multi-directional turning passes.
Finishing of non-ferrous alloys — ULTRA-DEX USA CDGW 1.5105 UD52 diamond inserts for low surface roughness on aluminum parts.
Small-diameter boring of hardened steel — ULTRA-DEX USA CCGW32.52-2 diamond inserts for internal turning with tight tolerances.

ULTRA-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.

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