Kennametal 1096447 Indexable Boring Bar 1-1/4 in Shank

Product Description

The KENNAMETAL 1096447 is a steel indexable boring bar in the Kenloc series, designed for internal turning and boring operations on CNC lathes and machining centers. It accepts DN.. style inserts held by screw or clamp and features a negative rake geometry with a 5-degree rake angle and a -3 degree lead angle. The 1-1/4 inch shank diameter and 14 inch overall length suit medium to large-bore applications requiring rigidity and reach. A coolant-through design with a 1/4-18 NPT coolant hole thread supports chip evacuation and tool life at the cutting edge. This bar is installed by machinists and toolroom technicians in production and job-shop environments.

This boring bar is suited for right-hand cut internal boring on ferrous and non-ferrous workpieces in both production and prototype environments. The A-MDUN toolholder style accommodates DN.. series inserts with a 1/2 inch inscribed circle and 3/16 inch insert thickness, giving the operator flexibility in grade and geometry selection. The 43.31 mm (1.705 inch) minimum bore diameter defines the smallest bore this bar will reach. Back of bar to cutting edge measures 25.40 mm, and the center-to-cutting-edge distance is 1.000 inch.

Key Features

• Kenloc series A-MDUN toolholder style with screw and clamp insert retention
• Negative rake geometry at 5 degrees for strength on interrupted or hard materials
• Coolant-through design with 1/4-18 NPT coolant port for directed coolant at the cutting zone
• 1-1/4 inch shank diameter and 14 inch overall length for reach into medium to large bores
• Right-hand cut orientation for standard lathe and boring mill setups
• Steel body construction for damping and durability in continuous cutting applications

Compatibility

Designed for use with DN.. series indexable inserts with a 1/2 inch inscribed circle and 3/16 inch thickness. Compatible insert holding methods are screw and clamp. No specific machine model compatibility was stated in the available product data.

Installation Notes

Installation is performed by qualified machinists or toolroom personnel. Power down and lock out the machine spindle before seating or changing inserts. Ensure the shank is fully clamped in the toolholder to the depth recommended by the machine tool builder to prevent overhang-induced chatter. Verify coolant line connection to the 1/4-18 NPT port before resuming operation, and confirm insert grade and geometry are appropriate for the workpiece material before taking the first cut.