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CARACTÉRISTIQUES: These hoist rings have a centre through-hole instead of a bolt, for mounting with a custom anchoring system. Heavy-duty forged alloy-steel ring pivots a full 180 degrees, but does not rotate (install so that lifting force is applied in the pivoting direction). Safety factor = 5:1. Black oxide finish is standard, with cadmium plating available as a special. Patent no. 4,570,987, 4,641,986, 5,405,210, and other patents pending.
TAILLES: Available in the following load capacities and throughhole diameters — see Dimensions page for part numbers:| | 3100kg | | | | 3/4" diameter | | | 4500kg | | | | 1" diameter | | | 6800kg | | | | 1-1/4" diameter | | | 11000kg | | | | 1-1/2" diameter |
INSTALLATION: Rated load capacity is based on using a bolt or stud with 1240 MPa ultimate tensile strength. If a bolt with lower strength is used, or if the work piece anchor material is incapable of supporting the weight, then rated load capacity must be reduced accordingly. Since these hoist rings do not rotate, install so that lifting force is applied in the pivoting direction.
PRÉCAUTIONS DE SÉCURITÉ: See Hoist Ring Safety Precautions at the beginning of this catalogue section.
MATÉRIAU: Alloy steel, heat treated, black oxide finish (cadmium plating available as a special). 100% magnaflux inspected. DFARS and RoHS compliant. |
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