SB30 SB35 SB45 With Tungsten Carbide Dirt Auger Drill Bit

1, SB30 SB35 SB45 with tungsten carbide dirt auger drill bit

2, type : SB30,SB35 and so on.

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, usually to drill hard ground 

8, can be replaced