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Physical Properties12 Tonnes Standard12 Tonnes Plus16 Tonnes Plus24 Tonnes Standard24 Tonnes Plus
Minimum Breaking Load (kN)120115150240220
Minimum Elongation10%20%20%10%20%
Profile Diameter (in)
Material Thickness (in)
Hole Diameter Range (in)
1-1/4 to 1-1/21-1/4 to 1-1/21.7 to 2.051.7 to 2.051.7 to 2.05
Optimal Hole Diameter (in)
1-3/8 to 1-1/21-3/8 to 1-1/21-3/4 to 21-3/4 to 21-3/4 to 2
Inflation Pressure300 bar300 bar300 bar300 bar300 bar

 *1 tonne = 1.1 ton

General Features

  • The DSI OMEGA-BOLT®  is an expandable rock bolt with excellent elongation properties designed to accommodate ground movement. The OMEGA-BOLT® is a folded steel tube with a welded ferrule on each end.
  • The OMEGA-BOLT® lt is safe and easy to install. The OMEGA-BOLT®  is inserted into the drilled hole and inflated using high pressure water.
  • The OMEGA-BOLT® is inflated to the exact shape of the drilled hole and can tolerate a large variation in hole diameter.


OMEGA-Bolt - Standard Lengths & Packaging

Standard Lengths & Packaging

  • Standard lengths available include 5ft, 6ft, 7ft, 8ft, 10ft, 12ft, 2.4m, 3.0m
  • Standard pack of 100
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