13.50mm Reduced Shank Cobalt Drill Bit 1/2" Shank Quantity:1 which do not require calibration

which do not require calibration below 20% of the listed range

There's about 1/4 inch of travel at the smallest position and 1/8 inch at the largest

Part Number: BIT-DULSF13

1/4 Inch Shank: T15 x T20 • One compact and versatile tool gives you access to 2 screwdriver sizes and 1 nut driver size • Chrome-plated steel tube serves as both a 1/4 inch nut driver and a screwdriver bit holder • Extremely durable handle made of glass-reinforced nylon and molded in the USA • Fluted sides provide a natural grip for your fingers • Bit tips are milled 21 mm down the shank

and portable • Molded from high-quality polypropylene material that is durable and easy to clean • Overall Length: 10

13.50mm Reduced Shank Cobalt Drill Bit 1/2" Shank Quantity:1 which do not require calibrationProduct 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. Reduced Shank Drills