Astro Pneumatic TS29 Onyx 29pc TurboStep HSS Reduced Shank Mechanics Length 1/16″ – 1/2″ Drill Bit Set

Great on hard alloys sheet metal and difficult-to-drill items.Spiral-fluted stepped-tip drill bits outperform every conventional drill bit design in nearly all materials. They eliminate bit walk and the need for pilot holes. Bits are precision ground from heat-treated quality M2 High Speed Steel and Onyx-oxide coated to prevent chip build-up and feature three-flat shanks for extra secure hold in the chuck. Reduced shanks above 3/8″. Mechanic’s length for superior access in tight spaces.