13/32" x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 They are black and gold

They are black and gold surface treated

Part Number: assortment-kit-2811440 Pieces - Coarse & Fine Thread

The probe tapers to a 1 inch long straight tip that's 0

The size is marked in three ways: with a high-visibility laser marking

13/32" x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 They are black and goldProduct 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