Jobber Drill, Standard, List Number 2213, Number of Pieces 1, Heavy Duty Grade, Cobalt Steel, Straw Finish, Split Point, Drill Point (Deg.) 135, Fractional Size (In.) -, Metric Size 11.50, Decimal Equivalent 0.4528, Flute Length (In.) 3-45/64, Flute Length (mm) 94, Overall Length (In.) -, Overall Length (mm) 142, Shank Dia. (In.) 0.453, Shank Dia. (mm) 11.50, For Stainless Steel, Tool Steel, Alloy Steel And Titanium, Meets/Exceeds National Aerospace Standards (NAS) 907, Type J, Sizes Included - RestrictionsCalifornia Proposition 65 Warning: This product contains a chemical known to the State of California to cause cancer.