The JACK NUT threaded insert is an economical blind fastener designed for assembly-line use in thin, soft, or brittle materials.
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 four legs which grip the inside of the mounting surface, leaving a permanent, reusable threaded insert. Jack nuts are ideal for installing a strong captive steel thread into materials which would be unsuitable for other techniques, or where the hole is too large for the thread you wish to use.
Features and benefits:
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
Suitable for a wide grip range
Can be set with manual or pneumatic tools
Jack Nuts are suitable for the following materials:
Any rigid thick material and blind holes where a rivet nut is either out of grip or cannot get a purchase.
Wood, chipboard, particle board, hardboard, MDF and most other wood products.
Glass reinforced plastics (GRP) .
Most rigid plastics (PVC, polythene, polypropylene etc, etc)
Ceramics and glass.
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