The Largest Russian Manufacturer of Rock Bits
Operating Parameters
Three Cone Rock Bit Type/IADC Code Operating Weight in Ibs. Per inch diameter
(min-max)
Rotary Speed (RPM)
(max-min)
Operating Weight in kilos. Per mm diameter
(min-max)
(A) (B) (C) (D)
111 1000-3000 160-60 17.9-53.7
121 1000-3000 160-60 17.9-53.7
211/212 1200-4000 150-50 21.5-71.6
231/232 1300-5000 130-50 23.3-89.4
311 1400-6000 120-50 25.0-107.4
321 1500-8000 100-40 26.8-143.2
339 2000-9000 90-40 35.8-161
432/433 1000-3000 140-80 17.9-53.7
522/523 1100-3500 120-80 19.7-62.6
542/543 1200-4000 120-80 21.5-71.6
621/623 2000-6000 110-70 35.8-107.4
641/643 2100-7000 110-60 37.6-125.2
741/743 2500-8000 100-50 44.7-143.2
841/843 3000-9000 90-50 53.7-161

To determine operating weight for your particular tool use the formula
in Ibs.: (B) X (Diameter in inch)
in kilos.: (D) X (Diameter in mm)

Example:
5" 211MC  5000-20000 lbs
127mm 211MC  2273.3-9093.2 kilos.

To [Reference Data]

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