Tunable Boring Bars with Front End KM™ Quick Change Adaptor Reduce vibrations and enhance productivity in deep boring applications with KM Quick Change heads and tunable boring bars. Tunable Boring Bars Adjustment screw to allow for on-machine tuning. Allows each bar to be setup for the specific operation. Available in either steel or carbide shanks: • Steel — 40–100mm • Carbide Comprehensive offering of KM Quick Change — 50–100mm cutting units. See WIDIA™ Tooling Systems Catalogue (A-09-02122) for KM adaptors. C82 widia.com