Surface-set bit,BQ NQ HQ PQ impregnated diamond bits, wireline core barrels

US $100 / pc

Min. Order: 1 pc

HQ wireline diamond bits impregnated tube core bits ,set face set diamond drill

US $80 / pc

Min. Order: 1 pc

diamond core drill bit

suface set diamond core bit

US $77 / pc

Min. Order: 5 pc

Surface Set Diamond Core drill Bit

US $30 / pc

Min. Order: 1 pc