Min. Order Reference FOB Price
1 Piece Negotiable
Product Description
Product Description HENGJI BIT SPECIFICATION Bit Size 6 1/2''(165mm) IADC Code 537 Series HR Tooth type steel tooth Connection 3 1/2API REG PIN Bearing rubber sealed bearing Nozzle three jet nozzles Rotary Speed(rpm) 120~50 Weight on Bit(KN/MM) 0.45~1.0 Application water ...