#17 x 12" Cobalt Aircraft Extension Drill Bit - High Performance & Durable Cutting Tool | Drill America Replacement Parts & Accessories SDS-Plus Shank for use with

SDS-Plus Shank for use with SDS-Plus drills only

Body Dia: 21/32"

The ability to carry two torches simultaneously saves so much time

Hand Tap and Drill Set comes in an easy to maintain plastic pouch

Superior Protection: Made from 7 oz Indura cotton FR fabric

#17 x 12" Cobalt Aircraft Extension Drill Bit - High Performance & Durable Cutting Tool | Drill America Replacement Parts & Accessories SDS-Plus Shank for use withCobalt drill bits are are effective in drilling tough, high tensile strength materials such as cast iron, inconel, stainless steel and titanium. They display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel. They have a 135 split point tip for fast penetration and accurate drilling. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. Ideal for drilling where extra length