Stainless Steel Hex Socket Concave End Set Screws are often used in the case that the screw’s head is not allowed to be exposed, suitable for high hardness or often adjust the position of the machine. Because the inner hexagon is tight and easy to sink parts, the surface is smooth, widely used in mechanical equipment, electronic equipment, communication equipment, hardware lighting, a variety of precision machinery, precision instruments, meters, electronic products, communication products, locks and other industries.
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