Jobber Drill Set, Aircraft, List Number 550, Number of Pieces 26, Heavy Duty Grade, Cobalt Steel, Straw Finish, Split Point, Drill Point (Deg.) 135, Fractional Size (In.) -, Wire Size -, Letter Size A To Z, Metric Size -, Decimal Equivalent -, Flute Length (mm) -, Overall Length (In.) -, Overall Length (mm) -, Shank Dia. (In.) -, Shank Dia. (mm) -, For Alloy, Stainless And Tool Steels And Titanium, Meets/Exceeds National Aerospace Standards (NAS) 907, Type J
Cobalt Drill Sets- List 550 drills meet/exceed NAS 907 aerospace specifications All sets include metal case