Kennametal 1097586 Threading Toolholder 0.75 Inch Shank

Product Description

The KENNAMETAL 1097586 is an external, right-hand indexable threading toolholder built for precision threading and grooving operations on metal-cutting lathes and turning centers. It belongs to the Top Notch series and accepts N.3R inserts secured by a clamp-style holding method. The shank measures 0.75 x 0.75 inches square, with an overall length of 4.5 inches. Maximum depth of cut reaches 0.21 inches, making it suited for moderate-depth threading passes. Licensed machinists and CNC turning specialists are the primary installers and operators of this toolholder in production and job-shop environments.

This toolholder is designed for external threading and grooving applications on CNC lathes, engine lathes, and turning centers where a 0.75-inch square shank is the required interface. The right-hand cutting orientation accommodates standard left-to-right feed passes. It is a multi-use tool capable of handling both threading and grooving operations in a single setup, reducing tool changeovers during complex part programs. The Top Notch series designation indicates compatibility with KENNAMETAL Top Notch insert geometry standards.

Key Features

• External threading and grooving capability in a single toolholder
• Right-hand cut orientation for standard lathe feed direction
• Clamp-style insert retention for rigid, repeatable insert positioning
• Accepts N.3R indexable inserts (Top Notch series)
• 0.75 x 0.75 inch square shank for common lathe tool post and block fitment
• No coolant-through design; suitable for external flood or mist coolant delivery

Compatibility

Compatible with N.3R indexable inserts within the KENNAMETAL Top Notch series. Also referenced under MSC/Manufacturer Number NSR/L123B. Designed for use in tool posts, quick-change tool blocks, and turret stations accepting a 0.75-inch square shank.

Installation Notes

Installation is performed by a machinist or CNC setup technician. The machine spindle must be fully stopped and the control placed in E-stop or lockout/tagout condition before mounting or removing the toolholder from the turret or tool post. Torque the toolholder clamping screws to the machine or block manufacturer's specification using calibrated tooling. Verify insert seating and clamp engagement before resuming cutting operations.