FAQ

What is the Diameter of Drill Bit?
Diameter of Drill Bit in Langefors’ Formula relates rock drillability to bit diameter, expressing the effect of diameter on drilling efficiency and performance. Diameter of Drill Bit is usually measured using the Millimeter for Length. Note that the value of Diameter of Drill Bit is always positive.
Can the Diameter of Drill Bit be negative?
No, the Diameter of Drill Bit, measured in Length cannot be negative.
What unit is used to measure Diameter of Drill Bit?
Diameter of Drill Bit is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Diameter of Drill Bit can be measured.
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