For sales is one  BOSCH / IRWIN /DEWALT SDS+ Drill. Industrial quality.

picture 3: SDS+ Shank OD: 10mm

High Quality SDS Plus double flutes Masonry Hammer Drill Bit
 Superior hammer drill bits with a double flutes spiral cutter design with maximised flute entry that reduce vibration,Ground centre points, & copper brazed heads insure smooth cutting operation.
Ideal for concentre , masonry light weight block and stone,
Tungsten carbide tipped.
Fully hardened Shanks

Welcome to Toolingstation.

Toolingstation is Australia based supplier of taps, dies, drills, endmills, milling cutters and assorted engineering toolings and supplies (result of Google's search)