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The WALTER 5038122 is a clamp screw designed to secure indexable inserts in Xtra-tec series drilling toolholders. Using a TP20 Torx Plus drive, this screw locks cutting inserts firmly in place during high-demand drilling operations, maintaining precise insert positioning and preventing movement under load. Weighing 0.01 pounds, the screw is a small but critical hardware component. Licensed machinists, toolroom technicians, and CNC operators install these screws as part of routine insert changes or when replacing worn or damaged clamping hardware on indexable drilling tools.
This clamp screw is used in metal-cutting applications where indexable insert drills are the standard tooling choice, including production machining, job shop drilling, and precision boring operations. It is compatible with the Xtra-tec drilling series and is suited for both horizontal and vertical machining center setups. Replacing a stripped or damaged clamp screw quickly restores full insert clamping force, keeping the tool in production without requiring full toolholder replacement.
Compatible with Xtra-tec series indexable drilling toolholders. Confirmed driver compatibility includes keys FS1483, FS1485, FS1486, and FS1490. Confirmed insert compatibility includes P6001-D, P6002-D, P6003-D, and P6004-D complete inserts.
Installation is performed by qualified machinists or toolroom technicians during standard indexable insert changes. Always power down and lock out the machine spindle before accessing any toolholder or replacing clamping hardware. Use only the specified TP20 Torx Plus key or driver to tighten the clamp screw - using an incorrect drive type can damage the screw head and compromise insert clamping integrity. Follow the toolholder manufacturer torque guidelines referenced in the Xtra-tec toolholder documentation.
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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