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The KENNAMETAL 1016596 is an SM-style shim designed for indexable boring bar tooling systems. Shims of this type sit beneath the insert seat in the boring bar body, providing a precision seating surface that maintains consistent insert height and cutting geometry. This shim supports left hand, neutral, and right hand cutting directions, making it a versatile component for shops running multiple boring bar configurations. Licensed machinists and tooling specialists install these as part of insert seat maintenance or when reconditioning boring bar bodies to restore accurate insert positioning.
This shim is suited for indexable boring bar applications in both production and maintenance machining environments. It is used when replacing worn or damaged shim seats to restore proper insert support and prevent insert rocking. The SM shim style is a standard designation within indexable tooling systems, and this part is sold individually with a minimum order quantity of 10 units per order.
Designed as an OEM-style replacement shim for indexable boring bar tooling systems requiring an SM-style shim seat. No specific compatible model numbers were provided in the product data.
Installation is performed by a qualified machinist or tooling technician during boring bar insert seat service. Before replacing the shim, ensure the machine is fully powered down and the spindle is locked. Clean the shim seat pocket thoroughly before seating the new shim to prevent insert height errors. Follow the boring bar manufacturer's torque specifications for the insert screw and shim retaining components.
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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