31/64" x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Depth: 12-7/16"

Depth: 12-7/16"

They have a taper shank

Part Number DWTH1-1224LH

chrome-plated finish is easy to clean and highly resistant to corrosion • Finely geared 72-tooth ratchet needs only a 5-degree working swing arc • Includes universal joint and 8-inch extension

31/64" x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Depth: 12-7/16"Product 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