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ULTRA-DEX USA Indexable Boring Bar: S20U MCLNR4 (MPN 957-000-420) - Indexable Boring Bars
ULTRA-DEX USAIndexable Boring Bars

ULTRA-DEX USA Indexable Boring Bar: S20U MCLNR4 (MPN 957-000-420)

SKU 3G-OTH-221390

Brand
ULTRA-DEX USA
Item
Indexable Boring Bar: S20U MCLNR4
Category
Indexable Boring Bars
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Technical Specifications

ULTRA-DEX USA
Manufacturer Part Number
957-000-420
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ULTRA-DEX USA Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the ULTRA-DEX USA Indexable Boring Bar S20U MCLNR4 used for?

The ULTRA-DEX USA Indexable Boring Bar S20U MCLNR4 is used for internal turning and boring operations in metalworking. It is designed for precision machining of holes to achieve tight tolerances and smooth finishes, commonly applied in automotive, aerospace, and general manufacturing industries.

What are the specifications of the ULTRA-DEX USA Indexable Boring Bar S20U MCLNR4?

The ULTRA-DEX USA Indexable Boring Bar S20U MCLNR4 has the model designation S20U MCLNR4 and manufacturer part number 957-000-420. It is an indexable boring bar designed for use with compatible carbide inserts, suitable for steel, stainless steel, and cast iron workpieces.

Where to buy the ULTRA-DEX USA Indexable Boring Bar S20U MCLNR4 worldwide?

You can source the ULTRA-DEX USA Indexable Boring Bar S20U MCLNR4 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the product reaches your facility reliably.

How to select the correct insert for the ULTRA-DEX USA Indexable Boring Bar S20U MCLNR4?

To select the correct insert for the ULTRA-DEX USA Indexable Boring Bar S20U MCLNR4, match the insert shape, size, and grade to your workpiece material and machining conditions. The MCLNR4 designation indicates a 80° diamond-shaped insert with a neutral rake; consult the manufacturer's insert compatibility chart for optimal results.

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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