Champion USHD USHD-37 Jobber Drill Bit, #37 Dia, 2-1/2 in OAL, Spiral Flute, Straight Shank
REED 601PD PIPE THREADER DRIVE
Irwin 1792770 Jobber Drill Bit, 7/16 in Dia, 5 in OAL, Double Milled Flute