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The HERTEL H08700551 is a T11 Torx drive driver designed for seating and securing indexable inserts in compatible toolholders. This small-format drive tool applies the correct interface between the clamping screw and the insert pocket, ensuring inserts are locked down properly before cutting operations begin. At 0.017 pounds, the H08700551 is a lightweight hand tool intended for use at the machine by machinists, toolroom technicians, and CNC setup personnel. The T11 Torx drive profile resists cam-out and delivers consistent torque transfer to the clamping screw without damaging the screw head.
This driver is used in metalworking and machining environments wherever indexable insert tooling is in service. Typical applications include turning, milling, boring, and grooving operations that use screw-clamped insert toolholders. The driver is used during insert indexing or replacement at the lathe, machining center, or mill. It is a standard accessory kept at the machine or in the toolroom for routine insert maintenance.
Designed as an OEM-style replacement driver for indexable insert toolholders that require a T11 Torx clamping screw interface.
Insert drivers are used by machinists and toolroom personnel and do not require licensed trade installation. Before indexing or replacing inserts, ensure the machine is fully powered down, the spindle is locked, and all moving axes are at rest. Apply the T11 Torx driver only to the correct screw head to avoid rounding the drive recess. Do not use impact tools with this driver.
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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