SB Series And SBW Series Earth Auger Bit
1, SB series and SBW series earth auger bit
2, type : hexagon shank auger bits
3, material in 42CrMo , heat treatment HRC around 45
4, welded with tungsten carbide
5, surface : yellow powder coated.
6, original in Ningbo ,China
7, fix in the earth auger with bolts and nuts.