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Material&Production technology: Forged 42Cr MO alloy steel. SAE8620H special alloy steel forging and High Strength Quenched and tempered after treatment, according to the standard of EN1677-4.
Safety factor: 4:1
Screw thread standard: 6G
Surface treatment: Electrostatic Painting
Contrast: The rated load is 5 times higher than the traditional DIN580 ring screw.
Swivel Function: After bolt locking, the ring body can rotate 360 degrees. In the case of multi limb lifting sling, ring body parts can be automatically adjusted with the direction of tensile stress angle.
Inspected: 100% individually breakage Inspected with certification, every thread will pass GO - NO GO FIXED GAUGES before packing.
200% proof-load tested, with serial number for traceability.
Fatigue tested at 1.5 times Working Load Limit for 20000 cycles.
Easily readable raise lettering showing the name and PIC code for material traceability.
OEM: Advanced manufacture & Testing machine, professional technology Team.
