TOPDRILL

CONTACT USE-BOOKKOREAENGLISH

  • HOME
  • Company
    • About us
    • Brief History
    • Location
  • Products
    • Hammer
    • DTH Bits
    • Overburden Drilling Systems
    • Tornado Hammer
    • Accessory
  • Technology
    • Certification & Patent
    • Facility
  • Project
    • JOB Site
    • Product Performance
  • Notice
    • NEWS

TRB

HOME > OVERBURDEN DRILLING SYSTEMS > TRB

overburden drilling

   overburden drilling

    TRB system has a longer life and well proven quality by customer experience. Replacement of wing is very simple and can do it
    quickly
  Specifications

Model

No. of Wings

Bit Diameter (mm) Casing Size (mm) Applicable
Hammer
Expanded Retracted I.D. O.D. Wall
TRB90 2 126 88 102.8 114 5.6 ACE35
TRB115 2 152 114 126.6 141.3 7.4 ACE35
ACE40
TRB140 2 185 140 149.8 162 6.1 ACE50
TRB165 2 213 162 178 194 8.0 ACE60
TRB190 3 240 187 203.8 219 7.6 ACE60
ACE80
TRB215 3 265 213 225.9 244.4 9.3 ACE80
TRB240 3 295 240 254.6 273 9.2 ACE80
TRB250 3 317 248 270 300 15.0 ACE80
TD100
TRB280 3 345 280 304.8 323.9 9.6 TD100 TD112
TRB315 3 380 319 335.6 355.6 10.0 ACE120
TRB365 3 425 356 387.4 406.4 9.5 ACE120
TRB410 3 480 408 425 457 16.0 TD320
TD350
TRB460 3 530 460 482.6 508 12.7 ACE380
TD450
TRB510 3 581 508 533.4 558.8 12.7 TD450
TRB560 3 630 557 584.2 609.6 12.7 TD450
TD550
TRB610 3 684 605 635 660.4 12.7 TD550
TRB660 3 735 655 685.8 711.2 12.7 TD550
TRB710 3 784 702 736.6 762 12.7 TD550
TRB745 3 835 752 780.8 812.8 16.0 TD550

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