1.We are factory 2.SDS PLUS Shank Single Flute Single Tip 3.Material:40CR,YG8C 4.Application: Concrete, Brick, ... Masonry. 1.Product Description SDS Plus Shank Electric Hammer Drill Bit ... , chisel,router bit, concrete Hole saw and related products. 5.Company Picture6.Certificate SDS Plus Shank Single flute Single Tip Tungsten Carbide ...