BIT SPECIFICATION Bit Type 6� GM1616TZ IADC Code M423 Blade 6 Cutter Size (mm) Φ16MM�Φ13MM Cutter Qty Φ1622�Φ1326 Nozzle Qty 6P Gauge Length (mm) 60 Connection 3-1/2� API REG N.W./G.W. (KG) 29/39 Nozzle Size(inch) GREAT PDC bit Advantage  Equipped for Performance Great PDC Bits are equipped with 1.High Abrasion tungsten carbide material, Hardened Alloy Steel base material 2.High performance PDC-Cutters 3.Carbide and Diamond gauge protection 4.Carbide/Diamond Shock Studs 5.Threaded or Plain Carbide Nozzles for Flushing Above features are subject to changes and modifications according to customers' requirements. Our Service: 1�24 hour uninterrupted serviece,answer your questions in a timely manner 2�Warm welcome guests to visit 3�One of the largest manufacturer and supplier in Asia.High technology,high quality 4�Flexible production 5�sincerely cooperate with you 6�Service to customer satisfaction