-
Bagong Designed Tungsten Carbide Insert Cross Drill Bit para sa Pagmimina
-
7,11,12 Tapered Degree Quality Taper Cross Bit
-
Mataas na Kalidad 30-46mm Tapered cross drill bit para sa quarrying at rock drilling
-
Popular cross type bit tapered connection cross bit sa quarring rock mining small hole drilling tungsten carbide