Friction Bolt Pull Test Ring

Friction Bolt Pull Test Ring

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  5. Bolt Fittings
  6. Friction Bolt Pull Test Ring

Rock Bolts – Bolt Fittings

Product Code Prefix PRING Product Code Guide PRING47G
Friction Bolt Pull Test Ring
Overall HeightFlange DiameterMass
40mm70mm380g

Key Features

  • Designed to be used with DSI Underground pull test equipment, the pull test ring is fitted to friction bolts prior to installation. The ring allows measured load to be safely applied to installed friction bolts for the purpose of pull testing.
  • Pull test rings are available for 47mm, 39mm and 33mm friction bolts.
  • Can be effectively used to 20 tonnes with a safety factor of 2:1.
  • Can be supplied in black or hot dipped galvanised.
  • Pull test rings are made from Hollow Bar Grade: DIN 20Mn V6 or Round Bar Grade: AS1442/1045 with UTS 570 - 700MPa and Yield 300 - 450MPa.
Friction Bolt Pull Test Ring - Notes
Notes
  • DSI Underground Mining Products Division is Quality Assured to ISO 9001:2015, Registration QMS 41328.
Published: September 2011 All dimensions, weights, quantities and specifications are those applicable at the time of publication and may be amended from time to time.

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DSI Underground Australia

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