BIT SPECIFICATION Bit Type 17-1/2" GS1906T IADC Code S423 Blade 6 Cutter Size (mm) Φ19MM;Φ13MM Cutter Qty Φ19�55;Φ13�49 Nozzle Qty 8NZ Gauge Length (mm) 90 Connection 7-5/8" API REG N.W./G.W. (KG) 180/230 Nozzle Size(inch) 16/32;18/32 GREAT BIT CHARACTER 1. Force balanced, resist impact to the blade during high-speed drilling, to make bit work stable. 2. Plus wear knot section, reduce collision in the high-speed rotational vibration. 3. Patented matrix formulation, extended bit life. 4. Optimal hydraulic design, easy to move out the drill cuttings and cooling. 5. Equipped with back reaming teeth. 6. The cutter is high performance to increase the ability of anti-impact and anti-abrasive 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.