We are Hejian City Feilong Retop Rock Bit Manuf based in Cangzhou, China. We are member of TradeKey.com since April, 2014. Our business is related to Industrial Machinery industry and we specifically deal in PDC bit, tricone bit, coring bit, hole opener. Please find our product details below: PDC bit Size: 6”(5 7/8”)FM1954AL    IADC：M322 Products features   Matrix PDC bit with five blades of parabola crown profile and with middle cutter density . With interchan... hole opener Specifications Large Diameter Reamer Bit 1.Steel tooth & TCI available 2.6"-42" in diameter 3.Strict Quality Control System hole opener drill bit 1.Hole openers are designed for... PDC bit 6”(5 7/8) FM1665AGU  IADC: M333 Product features:   Matrix PDC with six blades of parabola crown profile and with middle cutter density.   With interchange... tricone bit FJ series metal sealed bearing tricone bit Cutting structure The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit. The durab... Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.