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Ring bolt H.Q.E. with variable screw length
Attachment point for lifting loads
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Variants
- Safety factor 4 in all load directions
- Can be rotated 360°
- Suitable for through holes or threaded blind holes
- Hexagon-socket cylinder-head screw, strength class 10.9, with different screw lengths in accordance with UNI 5931 – ISO 4762
- Crack tested to 100%
- Quality class QC 10
Attachment point not suitable for rotating under load
The ring bolt must not be used if the equipment is incorrectly secured with bolts of an unsuitable length
Use jam nuts of at least strength class 10
With axial tension, a deviation of +/5° with a reduction in load-bearing capacity by 10% is permitted
If the ring bolt is secured with a jam nut during installation, make sure that the diameter of the through hole is no more than 2 mm larger than the nominal diameter of the bolt
If a jam nut is used: once installation is complete, check that the components lie flat on the part to be lifted
It is advisable to place a suitably large washer under the hexagon nut in accordance with DIN 6340
Can be ordered separately
- Captive spanner
- Washer set DIN 6340 + high hexagon nut UNI 5587, quality class 10
- Suitable for safe lifting of loads in accordance with Machine Directive 2006/42/EC
- Designed, tested and certified in accordance with GS-OA 15-04 - EN 1677
- Designed for a load of 20,000 load changes
Select RAL-colour code
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