Saipe 5pcs 1/4" Quick Change Hex Shank Metal Stubby Drill Bits Short Drill Bit Set HSS M2 for Right-Angle Drill Attachment and Used in Tight Spaces, 3/32, 1/8, 3/16, 1/4, 5/16-Inch - Amazon.com
1/4" Threaded Hex Shank Drill Adapter
Hex Shank Titanium Drill Bit Set (4 PC.) - RYOBI Tools
RYOBI Black Oxide Hex Shank Twist Drill Bit Set (15-Piece) A971503 - The Home Depot
Milwaukee SHOCKWAVE 4-Piece Impact Duty Titanium Hex Shank Drill Bit Set, 1/8 In. thru 1/4 In. - Town Hardware & General Store
Dewalt 6 Pc. Hex Shank Drill Bit Set (Dw2551)
Makita B-65399 Impact Gold 14 Pc. Titanium Drill Bit Set, 1/4 In. Hex Shank - Amazon.com