Hammer drill bit is a kind of tool to make holes on concrete, asphalt, stone --etc. by connecting electric hammer drill machine.
Hammer drill bit is divided into 5 classes according to hammer drill machines.
1) SDS-MAX SHANK TYPE : using for hammer drill machine of Hilti, Bosch,--etc.
2) HEXAGON SHANK TYPE : using for hammer drill machine of Hitachi, Makita, Keyang,L.G.--etc.
3) SDS -PLUS SHANK TYPE : using for small size drill machine
4) STRAIGHT TYPE : using with small size drill machine.
5) POINT CHISEL & FLAT CHISEL : using to break concrete, asphalt, stone --etc.
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