Silverline SDS Plus Masonry Drill Bit 5.5 x 160mm

Amazon

Tungsten carbide-tipped SDS Plus drill bit Double flute for efficient waste removal For use on concrete, masonry, lightweight block and stone Fits all SDS Plus machines, Weight: 0.0881849048 pounds, Manufacturer: SLTL4

Electrical World

Tungsten carbide-tipped. High standard, double flute for efficient waste removal. For concrete, masonry, lightweight block and stone.