Material: diamondSurface treatment: Paintedproduction:brazedshank: screw
Material: 40Cr + YG8CSurface treatment:sandblasted finishedproduction:milling + brazedshank: SDS Plus, SDs Max, Hex and etc.
material: M42 Bi-metalSurface: paintedProcess: grindiing processShank: Triangle shank / Hex shankCenter drill bit: HSS Drill Bit