We can supply the round shank chisel bits and holders for drilling auger and bucket, they mostly using for the soil, gravel, sandstone, strong weathered to medium weathered rock layer.
The part no. such as B47K17.5-H, B47K19-H, B47K22-H, B43H Holder, B85/2 Block, DS01, DS02, DS03, DS04, DS05, DS06, C4/U43H Holder etc.
1. Select the ASTM4140 alloy steel.
2. Select the import tungsten carbide.
3. With HRC48-53 Hardness
4. Replacement of Betek and Kennametal Bits.