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The SECO 02483440 is a cap screw designed for securing indexable inserts and shims in threading toolholders. The screw features a T9P Torx Plus drive and an M3.5 x 0.6 thread specification, making it a precision fastener for indexable cutting tool assemblies. It is used by machinists and tooling technicians performing insert changes on threading toolholders. The Torx Plus drive design provides better torque transfer and reduces cam-out risk compared to standard hex drives, which is important when working with small-diameter screws in tight toolholder pockets.
This cap screw is intended for use in indexable threading toolholders where insert retention screws must meet close dimensional tolerances. It is suited for CNC lathe and turning center applications where threading inserts are regularly indexed or replaced. The M3.5 x 0.6 thread size is common in indexable tooling systems for small-to-medium bore threading operations. Hardware compatibility includes shim retention in addition to insert clamping, depending on the specific toolholder configuration. This item is sold individually but carries a minimum order quantity of 10 units.
Designed for use with indexable threading toolholders that accept M3.5 x 0.6 insert retention screws and T9P Torx Plus drive fasteners, including shim-equipped toolholder configurations.
Installation should be performed by a qualified machinist or tooling technician. Ensure the toolholder is removed from the machine spindle or turret and all machine motion is stopped before replacing insert screws. Use a calibrated T9P Torx Plus key to seat the screw without over-torquing, which can strip the small-diameter thread or damage the insert pocket. Do not substitute a standard Torx key for the Torx Plus drive, as the geometry differs and can damage the screw head.
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