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SUPER TORNADO OVERBURDEN DRILLING SYSTEM

rockdrill bit

   rockdrill bit

    This is overburden drilling system of Tornado hammer and it advances a casing pipe simultaneously which drilling the hole
  OVERBURDEN TORNADO Specifications

Model

No of Hammers

Combined Bit Casing Size(mm)
Expanded Retracted I.D. O.D. Wall
S560 3 630 560 584.2 609.6 12.7
S960 5 1116 957 1000 1080 40
S1100 5 1200 1094 1130.4 1168.4 19
S1370 5 1480 1371 1409.8 1447.8 19

Others shank type or size is available with customer's request