Original German Roehm chuck for drill bits up to 1/4" (6 mm)
For drill shank sizes 1/64" to 1/4" (0.5 to 6.0 mm) and maximum speeds up to 10,000 rpm this chuck offers industrial quality with extra high-speed accuracy. With 3/8" thread. Includes chuck key.
For use with 38128 Bench Drill Press TBM115