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.

Available in steel, brass and steel with PVC or Raintite coating.

Features:

• Fastens in blind holes.
• Won't distort or deform soft plastics or thin sheet metals.
• Fast, inexpensive and easy to use.
• Not hole-size sensitive.
• Fastens securely despite burrs or uneven substrate.
• Available with 'Plastisol' coating for sealing purposes.
• Suitable for a wide grip range.
• Can be set with manual or pneumatic tools.
• Removable.

How They Work

1. Thread JACK NUT Insert onto mandrel of installation tool, then insert all the way into predrilled hole until flange is firmly against the mounting surface.
2. Fully collapse insert, then remove installation tool.
3. Pass machine screw through part to be fastened, then tighten until snug.

Case Study: Refrigerator Door Handle

• Strong fastening in thin sheet metal
• Fast setting with pneumatic tools
• Economical fastening
• No distortion to thin sheet metal