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The KYOCERA OTM86464 is a T7 Torx cap screw designed to secure indexable inserts in compatible toolholders and clamping hardware. This fastener is purpose-built for indexable cutting tool assemblies, where consistent clamping force and precise seating of the insert are critical to cutting performance and tool life. The T7 Torx drive reduces the risk of cam-out during installation and removal. Weighing 0.1 pounds per unit, the screw is sized for the compact geometry of indexable toolholder clamp systems. This hardware is installed and replaced by CNC machinists, toolroom technicians, and precision machining professionals during routine insert changes or after fastener wear.
The OTM86464 is used in chamfer end mill applications utilizing the CM toolholder style. It is compatible with clamp-style hardware and is designed to work with the XPMT 0902 insert series. Typical install scenarios include production machining environments where indexable end mills are regularly serviced and inserts are swapped at the machine. The T7 Torx interface is standard for this class of indexable toolholder hardware.
Compatible with CM toolholder style chamfer end mills using clamp-style hardware and XPMT 0902 series indexable inserts.
Installation should be performed by qualified machining technicians familiar with indexable toolholder assembly. Always ensure the spindle is fully stopped and the machine is in a safe, locked-out state before servicing any toolholder hardware. Use a calibrated T7 Torx driver to seat the screw properly - do not substitute drivers of adjacent sizes, as this can damage the fastener head or the toolholder pocket. Inspect the screw and clamp seat for wear or damage at each insert change interval.
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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