Star USA Carbide Tipped Taper Length Drill - Diameter: 29/64", Decimal Equivalent: .4531", Flute Length: 4-3/4", OAL: 7-1/2"
IRWIN Speedbor, Hybrid Drill Bit, 5/8 in, 2 in Flute Length, 6 in Overall Length - 1PMT2|3041002 - Grainger
Cleveland 2565TN High Speed Steel Long Length Drill Bit, Parabolic Flute, TiN Coated, Round Shank with Tang, 118 Degree Notch Point, 1/16" (Pack of 10): Amazon.com: Tools & Home Improvement
The Anatomy of a Drill Bit - Johnston Companies
3/32" Carbide 4 Flute Uncoated (Bright) 1/2" Flute Length 1-1/2" Overall Length 1/8" Shank Single End Square End Mill, Drill America | CBDL400332 | DrillsandCutters.com