BIT SPECIFICATION Bit Type 8-1/2" GS1305ST IADC Code S433 Blade 5 Cutter Size (mm) Φ13MM Cutter Qty Φ13Ã?61 Nozzle Qty 5NZ Gauge Length (mm) 55 Connection 4-1/2" API REG N.W./G.W. (KG) 45/60 Nozzle Size(inch) 22/32 PDC bits ,diamond bits ,PDC drilling bits ,diamond PDC bits ,Application Water well ,Petroleum & Gas ,Water well ,mining and tectonic industries ,Oil field, Construction, Geothermal, directional boring, and underground foundation work. 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 Our Service: 1ã?�24 hour uninterrupted serviece,answer your questions in a timely manner 2ã?�Warm welcome guests to visit 3ã?�One of the largest manufacturer and supplier in Asia.High technology,high quality 4ã?�Flexible production 5ã?�sincerely cooperate with you 6ã?�Service to customer satisfaction Contact us: Facebook:13127338525 twitter:13127338525 Whatâ??s App:13127338525 Skype:2479738546@qq.com email:2479738546@qq.com Linkedin:zryqueen@163.com (Ivy Zhang)