Min. Order Reference FOB Price
1 Piece Negotiable
Product Description
HENGJI BIT SPECIFICATION Bit Size 6 3/4'' (171.5mm) IADC Code 537 Series HR Tooth type TCI/tungsten carbide insert Connection 3 1/2 API REG PIN Bearing rubber sealed bearing Nozzle three jet nozzles Rotary Speed(rpm) 0.45~1.0 Weight on Bit(KN/MM) 120~50 ...