... Double flute Single Tip 3.Material:40CR,YG8C 4.Application: Concrete, Brick, Masonry. 1.Product Description SDS Plus Shank Electric ... :MillingSurface:Polishing,sand blast,black oxideSpecification:SDS plus shank electric hammer drill bit is made of high grade steel, ... related products. 5.Company Picture6. Certificate SDS Plus Shank Double flute Single Tip Tungsten Carbide Electric Hammer Drill Bit