Cyclone HSS Premium Grade Annular Cutter, 1 1 8 in dia x 2 in Depth, 3 4 in Weldon Shank, Includes Pilot Pin ORS NASCO Increase alertness and productivity Provide a Increase alertness and productivity Provide a great way for workers to reduce heat stress in outdoor and other high heat environments Soak the MiraCool® bandana in cold water for 30 minutes A general purpose instant adhesive with gap filling capability Compatible with metal Evolution standard geometry is sufficient for most drilling applications Manufactured specifically to maximize hole accuracy while minimizing cutter vibration and extending annular cutter life Using this standard geometry enhances accuracy and saves time This allows for a single ejection of slugs when drilling through stacked material