Teledyne Cutting Tools MCFNR-165 Used Indexable CNMG Turning Tool Holder – Original Box

High-quality square shank indexable turning tool holder manufactured by Teledyne Cutting Tools (same brand as the SI-MCLNL boring bar previously listed). This is a classic MCFNR style holder designed for negative rake CNMG series carbide inserts (80° diamond inserts such as CNMG-432, CNMG-433, etc.).

Key Markings

• Model: MCFNR-165 (engraved)
• Additional codes: ICSN-533, TC-310, NL-58, STC-4
• Teledyne Cutting Tools logo sticker clearly visible
• Comes with original blue & white Teledyne box

Specifications & Features

• Shank Size: 1" × 1" square (standard for this series)
• Insert Type: CNMG negative rake 80° diamond inserts
• Clamping System: Top clamp / lever style for secure insert retention
• Approach Angle: 90° (standard MCFNR configuration)
• Hand: Right-hand / neutral
• Overall Length: Approximately 6–7 inches

Condition Details Used in good working condition. The tool shows normal shop wear and has some light surface rust on the end of the shank (visible in photos). All critical areas are functional:

• Insert pocket is clean and undamaged
• Top clamp mechanism operates correctly
• Threads are intact
• No cracks or major damage

The rust is cosmetic and can be easily cleaned. The tool is fully operational and ready for use.

What’s Included

• 1 × Teledyne MCFNR-165 indexable turning tool holder
• Original Teledyne Cutting Tools box

Applications Excellent for external turning, facing, and general machining on manual or CNC lathes. Compatible with all standard CNMG inserts. This is the same reliable Teledyne quality as the MCFNL / SI-MCLNL series holders.