Purchase Qty. Reference FOB Price
1-4 Pieces US$58.50
5+ Pieces US$46.80
Product Description
90mm Custom Low Air Pressure DTH Drill Bits for Water Well Drilling Product Description Shank types:CIR76, CIR90, CIR110, CIR130, CIR150,CIR170,CIR200 DTH hammer bits hole diameter: 2", 3'', 4'', 5'', 6'', 8', 10", 12"(85mm-305mm). The structural optimization of the MC Drill Bit ensures ...