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Model: DDR3039
Manufacturer, Bit Name/Model Number: DDR3039IADC Code: M843Size Range (in): 6", 6-1/2", 8-1/2", 12-1/4"Recommended WOB (lb/in. Diameter): 300-3000Recommended Rotary Speed (RPM): 80-1200Special Features/Usage: MNR Impregnated..
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Model: DDR4039
Manufacturer, Bit Name/Model Number: DDR4039IADC Code: M838Size Range (in): 7-7/8"Recommended WOB (lb/in. Diameter): 300-3000Recommended Rotary Speed (RPM): 80-1200Special Features/Usage: MNR Impregnated..
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