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ULTRA-DEX USA Indexable Turning and Profiling Tool Holder: DDJNR 20-4D (MPN 974-000-012) - Indexable Turning & Profiling Toolholders
ULTRA-DEX USAIndexable Turning & Profiling Toolholders

ULTRA-DEX USA Indexable Turning and Profiling Tool Holder: DDJNR 20-4D (MPN 974-000-012)

SKU 3G-OTH-253809

Brand
ULTRA-DEX USA
Item
Indexable Turning and Profiling Tool Holder: DDJNR 20-4D
Category
Indexable Turning & Profiling Toolholders
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Technical Specifications

ULTRA-DEX USA
Manufacturer Part Number
974-000-012
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ULTRA-DEX USA Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the ULTRA-DEX USA DDJNR 20-4D indexable turning tool holder used for?

The ULTRA-DEX USA DDJNR 20-4D is an indexable turning and profiling tool holder designed for external turning, facing, and profiling operations on lathes. It uses replaceable carbide inserts, making it suitable for general machining, automotive, and aerospace applications where precision and repeatability are required.

What are the specifications of the ULTRA-DEX USA DDJNR 20-4D tool holder?

The ULTRA-DEX USA DDJNR 20-4D indexable turning and profiling tool holder has the model number DDJNR 20-4D and manufacturer part number 974-000-012. It accepts 4-sided inserts and is built for rigid, accurate cutting in steel, stainless, and cast iron. For detailed dimensions, consult the manufacturer's catalog.

Where to buy the ULTRA-DEX USA DDJNR 20-4D tool holder worldwide?

3G Electric supplies the ULTRA-DEX USA DDJNR 20-4D tool holder 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 this indexable turning tool holder.

How to select the correct insert for the ULTRA-DEX USA DDJNR 20-4D?

For the ULTRA-DEX USA DDJNR 20-4D, select a 4-sided negative rake insert with a 55° diamond shape, such as DNMG or DNGP styles. Match the insert grade to your workpiece material (e.g., coated carbide for steel, uncoated for aluminum). Always verify insert size and clamping compatibility with the holder.

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 turning & profiling toolholders. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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