12 1/2 12.5 inch metal sealed bearing tci tricone bit part for HDD rock reamer and hole opener Product Description Size 12 1/2 inch TCI tricone bit .....
9.5 inch metal sealed bearing three roller core drill bit for HDD rock drilling Product Description Size 91/2 inch TCI tricone bit part Machine Type ....
8 1/2" Tricone bit roller cutters for core barrel,roller cone cutter,tricone cone bit Product Description Size 140mm 8 1/2 inch roller core bits part ...
8 1/2" Tricone bit roller cutters for core barrel,roller cone cutter,tricone cone bit Product Description Size 140mm 8 1/2 inch roller core bits part ...
8 1/2" Tricone bit roller cutters for core barrel,roller cone cutter,tricone cone bit Product Description Size 140mm 8 1/2 inch roller core bits part ...
8 1/2" Tricone bit roller cutters for core barrel,roller cone cutter,tricone cone bit Product Description Size 140mm 8 1/2 inch roller core bits part ...