Hertel 1000107 Lh Mcln Indexable Turning Toolholder

Product Description

The HERTEL 1000107 is a left-hand MCLN-style indexable turning toolholder designed for negative rake cutting operations on CNC and manual lathes. It accepts CN..43. series inserts secured by a clamp and screw holding method, providing rigid, repeatable insert positioning during turning. The shank measures 0.75 inches wide by 0.75 inches tall, with an overall length of 4.5 inches and a head length of 1.2 inches. This toolholder is built from steel for durability under continuous cutting loads. It is intended for installation by machinists and toolroom professionals working in metalcutting production or job shop environments.

This toolholder is suited for external turning applications where a left-hand cutting direction is required. The 5-degree lead angle geometry and negative rake insert compatibility make it a practical choice for general-purpose turning on ferrous and non-ferrous materials. The back of bar to cutting edge distance measures 1.0 inch, which supports proper tool height setup in standard lathe tool posts and turrets. Coolant-through capability is not available on this model.

Key Features

• Left-hand MCLN toolholder style for left-hand turning direction
• Negative rake geometry compatible with CN..43. series inserts
• Clamp and screw insert holding method for secure, repeatable seating
• Steel construction for rigidity and wear resistance
• 0.75 x 0.75 inch shank fits standard square-shank tool posts and turrets
• Part of the Multi-Option series for broad insert interchangeability

Compatibility

Designed to accept CN..43. series indexable inserts with a 0.5 inch inscribed circle. Full insert compatibility reference: CN.. 432.

Installation Notes

Installation is performed by machinists using standard lathe tooling setup procedures. Ensure the lathe spindle is fully stopped and the machine is locked out before changing inserts or repositioning the toolholder. Torque the clamp screw to the insert manufacturer's specification using the appropriate torx or hex key supplied with the insert system. Verify tool centerline height against the workpiece centerline before beginning the cut.