#30 x 12" Cobalt Aircraft Extension Drill Bit BoltsandNuts.com making it easy to store

making it easy to store and retrieve your tools • Tight Fit with Fasteners – We precisely manufacture our hex key geometry on the large end of the applicable range

ranging from 0

Tekton 1/4

Size 1/2"-28

Prevailing Torque: 275 in/Lb

#30 x 12" Cobalt Aircraft Extension Drill Bit BoltsandNuts.com making it easy to storeProduct 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