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Metric national standard rings / rings screws / hook screws / lifting rings M6/M10/M12---M100

discount 70% in 2018-09-17 to 2018-09-19
price: USD$ 1954.40
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Commodity code [520296884039]

Product brief:

The test load of the lifting ring screw is 2.5 times of the working load, and the 20000 time fatigue test is carried out under 1.5 times working load. All the ring screws meet or even exceed the requirements of ASMEB30.26 standard.
The hanging ring screw is made of alloy steel by high temperature quenching.
Ring screw solid forging and normalizing treatment and removal of skin; forging without burning, cracks and defects; ring screw unified by the hardness test, the hardness value is HRB67~95.

The ring screw must be vertically installed on the workpiece surface, and the joint surface needs to be flat and the joints need to be tight. It must be adjusted to the drawing direction, and the screw avoids contacting with the pointed object.
Ring screw shall have professional operation, and please refer to the instructions for use, and sling connection, should maintain the hanger and the connecting part rings rotate freely, professionals should conduct regular safety testing.
The workmanship is better and the price is more favorable.