7/16" (0.4375) diameter, 4-1/2" Flute Length. Zero-degree rake, a 90-degree point, and parabolic cutting flutes to drill through Plexiglas, and acrylic plastics without binding or "breaking out."
Pro-Grabit works on damaged screws and broken bolts without and center punching or preparation. One end is a self-centering left-handed drill, and the other is a high torque extractor. #3 bit
Pro-Grabit works on damaged screws and broken bolts without and center punching or preparation. One end is a self-centering left-handed drill, and the other is a high torque extractor. #4 bit
This arbor is used for mounting the AES Smart Eraser Wheel (p/n AES51823) so that it can be used in a drill. Requires a drill with a 1/4" or higher chuck, and capable of speeds between 2000 and 4000 rpm.