Bit specification Bit type 8 1/2" gs1616tz Iadc code S423 Blade 6 Cutter size (mm) Φ16mmï¼?î¦13mm Cutter qty Φ16ã?36ï¼?î¦13ã?36 Nozzle qty 8nz Gauge length (mm) 60 Connection 4-1/2" api reg N.W./g.W. (kg) 51/66 Nozzle size(inch) 16/32 Greatâ pdcâ bitâ advantageâ  Â   equippedâ forâ performanceâ â greatâ pdcâ bitsâ areâ equippedâ with 1.Highâ abrasionâ tungstenâ carbideâ material, â hardenedâ alloyâ steelâ baseâ material 2.Highâ performanceâ pdc-cutters 3.Carbideâ andâ diamondâ gaugeâ protection 4.Carbide/diamondâ shockâ studs 5.Threadedâ orâ plainâ carbideâ nozzlesâ forâ flushing  aboveâ featuresâ areâ subjectâ toâ changesâ andâ modificationsâ accordingâ toâ customers'â requirements. 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 -