1.We are factory 2.SDS PLUS shank 3.Material:40CR,YG8C 4.Application: Concrete, Clinker, Masonry, ... tip YG8C kentaniumProcessing type:MillingSurface:Polishing,sand blast,black oxideSDS plus shank electric hammer drill bit is made of high quality ... = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); SDS Plus Tungsten Carbide Concrete Hammer Electric Drill Bit