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The HERTEL H08700619 is a replacement screw designed for use with indexable inserts in threading toolholders. These small-format screws secure cutting inserts in place during threading operations, maintaining proper seating and preventing insert movement under cutting loads. The part is sold individually and is intended for use by machinists, toolroom technicians, and CNC setup personnel who maintain or replace worn hardware on indexable threading tools. At 0.017 pounds, this is a lightweight precision fastener built to the dimensional standards required for indexable tooling systems.
This screw is used in threading operations where indexable inserts are the cutting element. Typical applications include external and internal threading on CNC lathes and manual turning centers. Technicians replace these screws when hardware shows wear, stripping, or damage from repeated insert changes. The part is packaged as a single unit, with a minimum order quantity of 5 units per transaction.
Designed as a replacement insert screw for HERTEL indexable threading toolholders that use standard insert clamping hardware. Verify seat geometry and screw drive type against the existing toolholder before ordering.
Insert screws are installed and removed by qualified machinists or toolroom technicians using the appropriate insert-screw key or Torx driver as specified by the toolholder manufacturer. Always remove the toolholder from the machine or ensure the machine is in a safe, locked-out state before changing insert hardware. Do not overtighten, as this can damage the insert seat or shear the screw. Inspect the screw seat and pocket for debris or damage each time inserts are changed.
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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