Dormer A777.8 NAS907J Jobber Drill, Bronze Coating, Cobalt High Speed Steel, 0.8 mm Head Diameter, 10 mm Flute Length (Pack of 10): Amazon.com: Tools & Home Improvement
Dormer Carbide 9/16 in R4639/16 Drill Oil Feed 7625087, 9/16 in Dia., 5 x D Usable Length | RSHughes.com