TRICONE BITS4” to 18” Tricone Bits File - this file contains all the tricone bits from 4 inches through to 18 inchesAtlas Drill Bits Atlas Bit specification sheets Bit Comparison Chart Bit selection chart new logo dull-grade-book Worn Teeth Formation Characteristics GTcatalog GTM44XG GTcatalog IADC CODES Nozzle Changing procedure PDC Tricone Bits (GLINK)SDI_iadc_tricone_bits Smith bits_catalog VBM Bits TCI Drill Bit Composition (PDF)