Standard Blind Jack Nuts are manufactured of steel with a commercial zinc plating. All Blind Jack Nuts can be supplied with brass coated flanges which assist galvanic corrosion concerns.
Blind Jack Nuts
The JACK NUT threaded insert is an economical blind fastener designed for assembly-line use in thin, soft, or brittle materials. When tightened, the body collapses to form legs which grip the inside of the mounting surface, leaving a permanent, reusable threaded insert.
Stainless steel, Steel, ron, Aluminum