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The ACCUPRO 40279317 is a slotted-drive wrench designed for indexable grooving blade toolholders in the CI series. Machined from steel, this wrench provides the mechanical advantage needed to seat and secure indexable inserts precisely during toolholder service. At an overall length of 156.60 inches, it gives the technician sufficient leverage for consistent torque when changing grooving inserts. This tool is used by machinists and toolroom technicians maintaining CNC turning centers and manual lathes equipped with grooving toolholders.
This wrench is intended for use in production machining environments where CI-series grooving blade toolholders are in regular service. It is suited to both setup technicians and operators performing insert changes at the machine. Keeping a dedicated wrench for grooving toolholders reduces the risk of cam screw damage and speeds up insert indexing during high-volume turning operations.
Designed as an OEM-style replacement wrench for CI-series indexable grooving blade toolholders.
This wrench is used by machinists and toolroom technicians performing insert changes or toolholder maintenance. Ensure the machine is powered down and the spindle is locked before servicing any toolholder. Use only the correct wrench to engage the cam screw slot and avoid stripping the drive interface. Follow the toolholder manufacturer guidelines for insert seating and screw engagement.
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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