MX4 4-Cutter SDS Plus Rotary Hammer Drill Bit Kit. Includes: 3/16 x 4, 1/4 x 6, 5/16 x 6, 3/8 x 6, 1/2 x 6, and 5/8 x 6 x 8 Inch Rotary Hammer Drill Bits.
Bosch 4-1/2-in SDS-max drill Bit in the Chisel Mortising Bits department at Lowes.com
3/4" NC Male to SDS-Max Drill Adapter
SDS max-4 Drill Bit - Bosch Professional
Diablo 1" X 8" X 13" Rebar Demon Sds Max 4 Cutter Full Carbide Head Hammer Bit - White Cap
Milwaukee SDS-Max 4-Cutter 1-1/2 in. x 18 in. x 23 in. 48-20-3988 from Milwaukee - Acme Tools
DEWALT 1-1/4" x 18" x 22-1/2" SDS-Max High Impact Quad Drill Bit - White Cap
Amazon.com: 1-1/4 in. Carbide Tipped BIT, SDS Max, (1.25" X 9" X 13") : Tools & Home Improvement
Driltec AD-415-215 SDS-Plus Bit - 3/16" x 4" x 6-1/4" Bionic Carbide Cutter