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The SANDVIK COROMANT 5729437 is a boring bar reducing adapter in the Coromant Capto series, designed to adapt between different shank sizes in precision boring applications. This adapter allows machinists and tooling technicians to mount a smaller boring bar into a larger Coromant Capto toolholder, extending the range of existing tooling setups without requiring a full toolholder change. It is used in CNC turning centers and machining cells where toolholder standardization is a priority. The unit weighs 3 pounds and ships as a single piece.
This reducing adapter is suited for production and job-shop environments running Coromant Capto modular tooling systems. It is typically installed in CNC lathes, turning centers, and multi-task machines where boring bar shank size reduction is needed to match available toolholder inventory. Tooling engineers and CNC setup technicians are the primary users in both high-volume production and precision contract machining settings.
Designed for use within the Coromant Capto modular tooling system. Specific compatible toolholder sizes and boring bar shank dimensions were not provided in the available product data. Verify bore diameter and shank size compatibility against your existing Coromant Capto toolholder configuration before installation.
Installation should be performed by a qualified CNC tooling technician or machinist familiar with Coromant Capto modular tooling assembly procedures. Ensure the machine spindle is fully stopped and the toolholder is removed from the machine before adapter installation. Mating surfaces should be clean and free of chips or debris before assembly. Follow SANDVIK COROMANT torque and clamping procedures as published in the applicable Coromant Capto product documentation.
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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