We stock a large range of industry standard tamper-proof fasteners for immediate delivery.
For ultimate security browse from the permanent one-way fixings and fasteners.
Retro fit fixings with security nuts, caps or enclosures.
Use this volume calculator to estimate the required number of cartridges needed for standard threaded stud sizes with Allfasteners chemical anchor injection systems. Select the product required, and your project details including stud diameter, embedment depth of stud and the number of holes for the job.
* These calculations are based on negligible waste in cartridge, annulus volume between pitch thread diameter and mean drill bit diameter such that filling holes to level shown will ensure that the published performance is achieved. Concrete hole diameter is based on data sheets, this information is for guidance only.
** Nominal embedment depths for chem stud anchor range