Threaded fittings (hollenders) and blind nuts (hollander-type caps) for screw-in elements in the HVAC-R field. High pressure and wear resistance. Refrigeration fittings with thread in various diameters: 1 inch hollenders, 2 ...inch hollenders, 3/4 hollenders, 3/8 hollenders, 1/2 hollenders, 1 1/4 hollenders, 1 1/2 hollenders, blind nuts, etc. Mai mult