MEGA Bolt Self-Drilling Anchors (SDA)

MEGA Bolt Self-Drilling Anchors (SDA)

MEGA Bolt SDA is a bolting solution for different ground conditions including sand, gravel, silt, and clays, and in soft to medium fractured rock formations. Our drill bits are available in different designs and diameters and thread types. Our SDA’s are compatible with most standard rock drilling equipment.

The MEGA Bolt SDA system consists of:

  • Hallow anchor Rod (cold threaded)
  • Hexagonal nut
  • Bearing Plate
  • Extension couplings
  • Extension couplings