should be smooth and flat, no cracks, sharp edges and excessive burning defects, the suspicious area can be used for review of magnifying glass. The shackle is tested with twice times safety load as test load. The axle pins shall not have permanent deformation and can rotate freely after loosening. The increment of the size of the fastener length shall not exceed o.25% or o.5mm. 300 tons below twice times safety load as test load, 300 tons of 1.33 times times safety load as test load test. The shackle can be tested by sampling reliability.
ther With Steel Chain Mens Stainless Steel Bracelet
- Sep 06, 2017-