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Surelock® Spin Anchors

spin-achor

SURELOCK® spin anchors are flexible high tensile steel strands of specific lengths, resin anchored inside a drilled hole with an innovative locking-off unit called the ‘SURELOCK® swivel barrel’ at the collar. The advantages of utilising this locking-off device is that once the required prestressed load is achieved, the shear ring shears on the barrel into a positive visual indicator with an audible knock.

SURELOCK® spin anchors are made to requirements as specified by the end user. These anchors are designed to give immediate support and are normally post-grouted after being pre-stressed.

  • These anchors are easily installed using trained support installation crews
  • The cable anchors are manufactured to the required specifications of the customer e.g. the cut length of the strand, specified load at which the shear ring activates, number of bulbs
  • All spin anchors are tensioned to the required loads as specified by the customer, with hydraulic equipment approved by the supplier
  • The spin anchors can be installed in incompetent rock
  • All spin anchors may be grouted either before or after pre-stressing the anchors.
Strand diameter (mm) Ultimate tensile strength (tons) Working load (tons) Hole diameter (mm)
15.24 25 15 36 to 40
18 35 20 36 to 45

Duraset provides onsite product demonstrations and technical back-up