Bit breakers are mostly used for screwing standard 3-cone bit
Tricone bit size |
3.3/4、4.1/8、4.3/1、5.7/8、6-6.1/8、 |
+86-13589438772
Bit breakers are mostly used for screwing standard 3-cone bit
Tricone bit size |
3.3/4、4.1/8、4.3/1、5.7/8、6-6.1/8、 |