Purchase Qty. Reference FOB Price
20-99 Pieces US$852.50
100+ Pieces US$775.00
Product Description
DHD340/SD4/QL4 Shank Overburden Casing Drilling System Bit for Mineral Exploration Product Description Eccentric bit is made up of a pair of chain emmbedded to guide apparatus, and ensure the bit is not contacting and damaging the retaining ring when it is rotating. When rotated clockwise, ...