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The HERTEL H08716540 is a clamping screw designed for use with indexable inserts on threading toolholders. This small but critical fastener secures cutting inserts in place during threading operations, maintaining precise positioning and preventing insert movement under cutting loads. It is a direct replacement or supplemental hardware component used by machinists and tooling technicians working with indexable threading tools in production and job-shop environments. At 0.123 pounds, it is a lightweight fastener that ships in a package quantity of one with a minimum order quantity of five units.
This screw is intended for threading applications that use indexable insert toolholders requiring dedicated clamping hardware. It is commonly used in CNC turning centers and manual lathes where indexable threading inserts are mounted and periodically rotated or replaced. Machinists and tooling specialists install this screw as part of routine insert indexing or replacement during threading operations on ferrous and non-ferrous materials.
Designed for use with indexable inserts on threading-style indexable toolholders. Specific toolholder compatibility is not stated in available product data; verify fitment against the toolholder manufacturer specifications before ordering.
Installation is performed by qualified machinists or tooling technicians. Power down and lock out the machine before servicing any toolholder or replacing insert hardware. Use the appropriate torx or hex key driver as specified by the toolholder manufacturer when seating the clamping screw. Do not overtighten, as improper torque can damage the insert seat or the screw threads.
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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