Silver And Deming Cobalt Aircraft Drills
- Close tolerance 1/2" shank drills especially for use in portable and CNC drilling equipment. 118° split point provides self centering and accurate hole size. Made of cobalt high speed steel, they are highly effective in tough, high tensile strength materials. Dimensional consistency for minimal adjustment during tool changes. They are precision ground for a high degree of concentricity between shank and body diameter.
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