
| ITEM: | 5/8' Ring Bolt |
| USAGE: | For
industrial safety and access systems. Theses ring bolts are designed to be used as through hard point anchors. |
| MATERIAL: | 304 stainless steel bar |
| FABRICATION PROCESS: | Machined
and bent from 1 inch, 5/8 and 8mm bar stock |
| QUALITY CONTROL: |
Visual inspection of raw product and random testing of samples from each batch |
| PROTOTYPE
AND PRODUCTION TESTING: |
Tensile load tests to destruction with random samples |
| TEST EQUIPMENT: | All testing is subcontracted to A.Noble & Sons. And is there for tested on there hydraulic test station. Attachment of the hanger is by a 10mm DIA. |
| TEST RESULTS: | Rupture 48.2 KN |
| REMARKS: | Failure is generally due to rupture of the collet after extensive distortion of the ring (Up to 170% of its original length) |
| RECOMMENDATIONS: | Suitable for industrial use where loads of less than 48.2 KN for tensile, shear and combined stress. Due to the failure mode encountered, and the nature of the intended use a safety factor of 1.5 is considered to be adequate. Prior to each use each ring bolt should be visually inspected. Any distortion or apparent damage to the ring bolt indicates that the ring bolt should not be used and should be removed or rendered un-usable. |
| INSTALLATION PROCEDURE: |
Drill 16mm DIA hole through wall. Feed one washer onto threaded rod flush with ring bolt collet. Apply appropriate construction adhesive to threaded rod and insert ring bolt into hole. Feed other washer onto threaded rod and tighten nyloc nut. Threaded rod should protrude passed nyloc nut by at least 16mm. |
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