Purchase Qty. Reference FOB Price
50-799 Pieces US$3.00
800+ Pieces US$2.80
Product Description
Top Quality Taper cross drill bit,7mm carbide The cross bit of rock drilling tools, also called rock drilling bit, belongs to the mining brazing bit, and the fibre head is used on the impact drilling rig in mining equipment. It is a kind of drill bit mainly used with the wind-driven rock drill and ...