CMT 381.100.12 4 Flute Dowel Drill for Through Holes Shank: 10mm Length: 115mm ABW Adjustable Post Base with Wind Uplift ensuring proper chip ejection and ensuring proper chip ejection and hole geometry when installed in the correct spindle orientation IAPMO UES ER 192 code listing and compliance with 2018 and 2021 IRC and IBC requirements means inspectors and engineers recognize this fastener for common structural wood framing applications no guesswork on the job geometry deliver smooth hole walls and chip free exits on laminates 12 4 Flute Dowel Drill for Through Holes by CMT is a precision engineered left hand rotation boring tool designed for clean