VIKING 39/64 O.D. HSS JOBBER LENGTH TWIST DRILL BIT 48430 5 3/16 LOC .6093 | eBay
39/64" Carbide Tipped Taper Length Drill Bit DWDTLCT39/64 - First Industrial Supplies
Drill America 39/64 in. High Speed Steel Twist Black and Gold Reduced Shank Drill Bit with 1/2 in. Shank KFDRSD39/64 - The Home Depot
Drill America - DWDN39/64 39/64" High Speed Steel Black Oxide Drill Bit, DWDN Series: Amazon.com: Tools & Home Improvement
Dormer 39/64 in A100 Jobber Drill 5966663, Right Hand Cut, Steam Tempered Finish, 178 mm Overall Length, 4 x D Standard Spiral Flute, High-Speed Steel | RSHughes.com