Kennametal 1096434 Indexable Boring Bar 2 in Shank Lh

Product Description

The KENNAMETAL 1096434 is a steel indexable boring bar designed for internal turning and boring operations on CNC lathes and machining centers. Built to the A-MCLN toolholder style, it accepts CN-style inserts held by either screw or clamp, giving the machinist flexibility in insert retention method. The bar features a 2-inch shank diameter, a minimum bore diameter of 2.4 inches (60.96 mm), and a 16-inch overall length, making it suited for reaching into deep bores while maintaining rigidity. Coolant-through capability via a 1/4-18 NPT port supports chip evacuation and tool life in demanding cuts.

This boring bar is intended for use in metal-cutting environments where left-hand cutting geometry is required, such as back-boring operations or configurations where the spindle rotation and approach direction demand a left-hand holder. It is part of the Kennametal Kenloc series and is intended for use by machinists and toolroom professionals in production or job-shop settings. The negative rake geometry and -5 degree lead angle are appropriate for interrupted cuts and harder workpiece materials where insert edge strength is a priority.

Key Features

• A-MCLN toolholder style with left-hand cut orientation for back-boring and specialized setups
• Accepts CN-style inserts with 1/2-inch inscribed circle and 3/16-inch thickness via screw or clamp retention
• Coolant-through design with 1/4-18 NPT coolant hole thread for directed coolant delivery
• Steel construction with 16-inch overall length for extended reach into deep bores
• Negative rake at -5 degree lead angle supports edge strength on harder materials and interrupted cuts
• Back of bar to cutting edge: 32.54 mm; center to cutting edge: 1.281 inches

Compatibility

Designed for use with CN-style indexable inserts with a 1/2-inch inscribed circle and 3/16-inch insert thickness. Part of the Kennametal Kenloc series. Compatible with machine tool setups requiring a 2-inch round shank boring bar.

Installation Notes

Installation is performed by qualified machinists or toolroom technicians. The boring bar should be secured in a properly sized boring bar holder or tool block, ensuring the shank is clamped to the full recommended contact length to minimize overhang deflection. Confirm the machine spindle is fully stopped and the machine is in a safe state before mounting or changing the toolholder or insert. Follow the machine tool manufacturer torque specifications for insert clamping screws and toolholder fasteners.