Eye lets are drawned studs, and they can be either blind or with through-hole. They are used to create junctions or to join several elements. They are available in different sizes and usually are realized in brass, nickel-plated brass and in...
A Square nut is a four-sided nut. Compared to standard hex nuts, square nuts have a greater surface in contact with the part being fastened, and therefore provide greater resistance to loosening (though also greater resistance to tightening). Square...