Kennametal NSR-163D Tool Holder

Description:

The NSR-163D Tool Holder NG3 is an indexable lathe threading and grooving tool holder designed for use with Kennametal Top Notch™ style inserts in CNC and manual turning applications. Commonly installed in engine lathes, CNC turning centers, and production machining equipment requiring precision threading, grooving, chamfering, and profiling operations. Machine shops and maintenance departments use this holder for production machining, tool replacement, and setup of high-accuracy turning operations. The NSR-163D is a right-hand holder designed to accept N.3R series inserts.

Applications:

The NSR-163D tool holder is commonly used in precision threading, grooving, facing, chamfering, and profiling operations on steel, stainless steel, cast iron, non-ferrous metals, and high-temperature alloys. The Top Notch clamping system provides excellent insert stability during heavy cutting and threading applications.

Technical Specifications:

• Manufacturer part number (MPN): NSR-163D
• Secondary marking: NG3
• Manufacturer: Kennametal style / unbranded surplus equivalent
• Product type: Indexable threading and grooving tool holder
• Series: Top Notch™ compatible
• Hand orientation: Right hand
• Insert compatibility: N.3R inserts
• Shank size: 1 in × 1 in square
• Overall length: 6.0 in
• Shank length: 4.75 in
• Head length: 1.25 in
• Maximum cutting depth: 0.210 in
• Insert retention method: Clamp style
• Coolant through: No
• Primary operations: Threading, grooving, facing, chamfering, profiling
• Compatible materials: Steel, stainless steel, cast iron, aluminum, hardened materials
• Construction material: Hardened tool steel
• Approximate weight: 1.59 lb
• Application: CNC and manual turning operations
• Service application: Repair and replacement tooling component.

Common Replacements:

• Kennametal NSR-163C Tool Holder
• Kennametal NSR-DH-163D Tool Holder
• Sandvik Coromant CoroCut Threading Holder Series