Irwin - Drill Bit Set: Hex Shank Drill Bits, 5 Pc, 0.125″ to 0.25″ Drill Bit Size, High Speed Steel - 57712754 - MSC Industrial Supply
Makita B-65399 Impact Gold 14 Pc. Titanium Drill Bit Set, 1/4 In. Hex Shank - Amazon.com
TICONN 13 PCS Titanium Coated Drill Bit Set with Hex Shank, 135 Degree Tip High Speed Steel Drill Bits Kit for Steel, Aluminum, Copper, Soft Alloy Steel Size from 1/16" to 1/4" -