Kennametal 1094916 Indexable Boring Bar Left Hand Steel

Product Description

The KENNAMETAL 1094916 is a left-hand indexable boring bar from the Top Notch series, designed for internal turning and boring operations on CNC and manual lathes. Built on an A-NS toolholder style, it accepts N-style inserts secured by a clamp-style holding method. The bar features a 1-1/2 inch shank diameter, a 14 inch overall length, and a minimum bore diameter of 2.25 inches. Coolant-through capability supports chip evacuation and tool life in demanding cuts. The steel body provides rigidity for stable, repeatable boring in production and job-shop environments. Machining professionals and CNC setup technicians are the primary users of this toolholder.

This boring bar is suited for medium-to-large bore applications in ferrous and non-ferrous materials where a left-hand cutting orientation is required. The 3-degree lead angle and 0.89 inch center-to-cutting-edge dimension make it appropriate for through-bore and blind-bore operations where clearance and chip flow matter. Its coolant-through design supports high-speed production runs on horizontal and vertical turning centers. The clamp-style insert retention keeps setup repeatable during insert indexing, reducing downtime between tool changes.

Key Features

• Left-hand cut orientation for dedicated left-hand boring setups
• Coolant-through design aids chip evacuation and extends insert life
• Clamp-style insert holding ensures repeatable insert indexing
• Compatible with N-style inserts from the Top Notch series
• Steel body provides rigidity and dampening for stable cuts
• 3-degree lead angle suited for controlled entry and finish boring

Compatibility

Designed for use with N-style inserts in the Top Notch series. Uses the A-NS toolholder style. Confirm insert geometry, nose radius, and grade selection against the workpiece material and cutting parameters before ordering inserts.

Installation Notes

Installation and setup should be performed by a qualified machinist or CNC technician. Power down and lock out the machine spindle before mounting or changing the toolholder. Secure the shank in the tool block or boring head to the appropriate clamping depth per machine tool builder specifications. Inspect the insert pocket and clamping surfaces for debris before seating a new insert.