Bit specification Bit type 8 1/2gs1904tc Iadc code S223 Blade 4 Cutter size (mm) Φ19mmï¼?î¦16mmï¼?î¦13mm Cutter qty Φ19ã?26ï¼?î¦16ã?1ï¼?î¦13ã?14 Nozzle qty 6nz Gauge length (mm) 100 Connection 4-1/2" api reg N.W./g.W. (kg) 54/69 Nozzle size(inch) 10/32ï¼?11/32 Greatâ pdcâ bitâ advantageâ   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 -