13/32" x 12" Cobalt Aircraft Extension Drill Bit BoltsandNuts.com Length Under Head: 85MM

Length Under Head: 85MM

Shank Size: #5

Part Number: BIT-DMS04-1079

Reflective Print

Part Number D/ARSD1-5/16

13/32" x 12" Cobalt Aircraft Extension Drill Bit BoltsandNuts.com Length Under Head: 85MMProduct Description Cobalt 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