Exclusively Designed For The Electrician BluMax Conecut® is the best tool for drilling 0.080" thickness and is ideal for tube, UHMW-PE and plastics. You will never need to use a Twist Drill gain once you havetried BLU/MAX Conecut® for drilling thin material or tube. Our "BluMax Performance Finish" significantly increases the life of the tool even without lube. (G&J Hall Tools Inc. always recommends the use of lube on cutting tools whenever possible). BluMax Conecut® Sheet & Tube Drills are designed with a 1/4” Hexagaon shank for quick changeand positive drive. Also our unique flange concept improvesthe speed, accuracy and control of the tool when drilling. Conventional Twist Drils can''tl comapare to BluMax Conecut®!