RockSmith's TRB SYSTEMS

RockSmith's TBR System are a range of advanced designed, Overburden Bits for Hammers Drills

TRB overburden drilling systems have advanced design for the casing offering economical cost savings for drilling.

With the TRB System, the wings are retracted by reverse rotation.

Overburden DTH Hammer Consumables

TRB SYSTEMS Specifications

Model Casing Size Bit Diameter No. of Wings Applicable Hammer
OD ID T OD ID T Exp Ret Exp Ret
MM INCH MM INCH
TRB90 114.0 102.8 5.6 4.488 4.047 0.220 126 90 4.96 3.54 2 3.5"
TRB115 141.3 128.1 6.6 5.563 5.043 0.260 157 113 6.18 4.45 2 4"
TRB130 152.0 132.0 10.0 5.984 5.197 0.394 164 115 6.46 4.53 2 4"
TRB140 168.3 146.4 10.9 6.626 5.764 0.429 176 132 6.93 5.20 2 5"
TRB150 177.8 167.0 5.4 7.000 6.575 0.213 188 150 7.40 5.91 2 5"/6"
TRB165 193.7 171.8 10.9 7.626 6.764 0.429 207 148 8.15 5.83 2 6"
TRB190 219.1 193.0 13.0 8.626 7.598 0.512 231 174 9.09 6.85 2, 3 6"/8"
TRB215 244.0 231.4 6.3 9.606 9.110 0.248 260 213 10.24 8.39 2, 3 8"
TRB240 285.0 265.0 10.0 11.220 10.433 0.394 299 241 11.77 9.49 2, 3 8"/10"
TRB250 301.6 272.2 14.7 11.874 10.717 0.579 312 253 12.28 9.96 3 8"
TRB280 335.9 315.9 10.0 13.224 12.437 0.394 350 292 13.78 11.50 3 10"
TRB315 356.0 331.0 12.5 14.016 13.031 0.492 372 305 14.65 12.01 3 10"/12"
TRB340 377.0 357.0 10.0 14.843 14.055 0.394 391 331 15.39 13.03 3 12"/12.5"
TRB365 406.0 374.0 16.0 15.984 14.724 0.630 422 350 16.61 13.78 3 12"/12.5"
TRB410 457.2 425.2 16.0 18.000 16.740 0.630 477 399 18.78 15.71 3 14"
TRB460 508.0 476.0 16.0 20.000 18.740 0.630 526 452 20.71 17.80 3 16"
TRB510 558.8 539.8 9.5 22.000 21.252 0.374 578 510 22.76 20.08 3 18"
TRB560 609.6 584.2 12.7 24.000 23.000 0.500 630 554 24.80 21.81 3 18"
TRB610 660.4 635.0 12.7 26.000 25.000 0.500 682 605 26.85 23.82 3 24"
TRB660 711.2 685.8 12.7 28.000 27.000 0.500 733 644 28.86 25.35 3 24"
TRB710 762.0 742.0 10.0 30.000 29.213 0.394 782 708 30.79 27.87 3 24"
TRB760 813.0 775.0 19.0 32.008 30.512 0.748 835 742 32.87 29.21 3, 4 24"
TRB810 863.0 819.0 22.0 33.976 32.244 0.866 874 781 34.41 30.75 3, 4 28"
TRB860 914.4 882.4 16.0 36.000 34.740 0.630 936 835 36.85 32.87 4 28"
TRB960 1016.0 986.0 15.0 40.000 38.819 0.591 1054 950 41.50 37.40 5 36"
TRB1010 1067.0 1022.4 22.3 42.008 40.252 0.878 1097 976 43.19 38.44 5 36"
TRB1160 1219.2 1168.4 25.4 48.000 46.000 1.000 1251 1125 49.26 44.29 6 36"

*Other size of TRB system is available upon customer's request.


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