17 1/2 (444.5mm) Tricone Bit IADC Code 447 Specifications: 1. Bearing Type: Rubber Sealed Journal Bearing 2. Quantity Of Nozzles: 3-4 Pcs(as Per Requirement) 3. Pin Size: API 7 5/8REG 4. Bit Weight Net: 240kg 5. Bit Weight Gross: 260kg 6. ...Read More