Transcription of Recommended Make-Up Torque, API Tolerances, …
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Recommended Make-Up torque , api tolerances , TFA ChartDrill BitsRoller ConeBIT make -UP1) Use the correct bit ) Inspect the bit for potential damage incurred during shipping. make sure the inside of the bit is ) Place the bit breaker into the bushings or breaker ) Place the bit into the ) Apply thread compound to the bit s API connection. Make-Up the bit using the appropriate torque value as in the chart above. Roller Cone Bits API Bit Tolerances RolleR Cone Bit Bit Size oD tolerance In. In. 6-3/4 and Smaller to +1/32 6-25/32 to 9 to +1/32 9-1/32 to 13-3/4 to +1/32 13-25/32 to 17-1/2 to +1/16 17-17/32 and Larger to +3/32 Roller Cone Bits Recommended Make-Up torque * RoCk Bit Size tool-Joint type Recommended torque In.
Recommended Make-Up Torque, API Tolerances, TFA Chart Drill Bits Roller Cone BIT MAKE-UP 1) Use the correct bit breaker. 2) Inspect the bit for potential damage incurred during shipping.
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