... .We are factory 2.SDS PLUS Shank Single Flute Single Tip 3.Material:40CR,YG8C 4.Application: Concrete, Brick, Masonry. 1 ... Shank Electric Hammer Drill Bit Material: shank steel 40Cr and tip YG8C kentanium Processing type:MillingSurface:Polishing,sand blast,black oxideSpecification ... . 5.Company Picture6.Certificate SDS Plus Shank Single flute Single Tip Tungsten Carbide Electric Hammer Drill Bit