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The KENNAMETAL 1510779 is a 2.5 mm hex drive driver designed for use with indexable tooling systems. It provides the precise torque application needed to seat and secure cutting inserts or modular drill components during setup and changeover. Built for compatibility with KSEM-series modular drills, this driver works with lock screws to ensure consistent clamping force on indexable cutting edges. At 0.05 pounds, it is a lightweight hand tool intended for use at the machine or bench. Machinists, toolroom technicians, and CNC setup personnel are the primary users of this type of driver in production and job-shop environments.
This driver is suited for industrial machining operations where KSEM-series modular drill toolholders are in use. It is compatible with Screw Compatibility reference 364.012 lock screws and is designed for insert and module changeovers on modular drill assemblies. The 2.5 mm hex drive size is specific to the KSEM platform fastener specification, making it a dedicated tool for that system rather than a general-purpose hex key. Typical use is at CNC machining centers, drill presses, or at a tool presetter station during insert indexing and module replacement.
Designed for use with KSEM-series modular drill toolholders and compatible with lock screws, including screw reference 364.012, as specified for the KSEM platform.
This driver should be used by qualified machinists or toolroom personnel familiar with indexable tooling changeover procedures. Always ensure the machine spindle is fully stopped and the toolholder is secured or removed from the machine before indexing inserts or swapping modular drill components. Apply only the manufacturer-specified torque for the lock screw being driven — do not use impact tools or extensions that could over-torque the fastener and damage the insert pocket or screw thread. Keep the hex tip clean and inspect it periodically for wear, as a worn driver can round out lock screw sockets.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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