27/64" x 6" Cobalt Aircraft Extension Drill Bit Quantity:1 • deep 12-point opening fits

• deep 12-point opening fits double hex (12-sided)

and 1/2 inch drive 6-point sockets and accessories in a 10-drawer stack

Part Number T/A57112TN

Part Number: assortment-kit-4541510 Pieces - Coarse Thread

keys are too small to stamp)

27/64" x 6" Cobalt Aircraft Extension Drill Bit Quantity:1 • deep 12-point opening fitsProduct 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