Bit specification Bit type 8-1/2" gs1615s Iadc code S223 Blade 5 Cutter size (mm) Φ16mmï¼?î¦13mm Cutter qty Φ16ã?26ï¼?î¦13ã?15 Nozzle qty 7nz Gauge length (mm) 45 Connection 4-1/2" api reg N.W./g.W. (kg) 48/63 Nozzle size(inch) 16/32ï¼?18/32 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. -