This standard covers nomenclature, definitions, sizes and tolerances of high speed steel, straight and taper shank drills, and combined drills and countersinks, plain and bell type. B94.11m-1993 covers both inch and metric size drills.
This standard covers nomenclature, definitions, sizes and tolerances of high speed steel, straight and taper shank drills, and combined drills and countersinks, plain and bell type. B94.11m-1993 covers both inch and metric size drills.