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Wire Threaded Inserts

Wire thread inserts are helically coiled fastening devices that provide permanent, wear-resistant screw threads that exceed the strength of most parent material; the inserts are designed to protect tapped holes against failures due to stripping, seizing, corrosion, and wear.

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Heat/Ultrasonic Installation

Heat installation involves positioning the insert into the molded or drilled hole. A heated tip is then inserted into the inside diameter of the threaded insert. Ultrasonic Installation involves positioning the insert into a molded or drilled hole.

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Self-Tapping/Self-Threading Installation

Self-threading inserts are brass inserts having both an external and internal thread and two slots which provide cutting edges much the same as a tap.

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Mold-in Installation

While the trend is to install inserts into Thermoplastics by post mold, some highly filled plastics (above 35% fill) will benefit from a mold-in insert design.

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Compression Limiters

Compression limiters are designed for applications where the tightening load of the bolt or screw will compress, crack, or otherwise damage the plastic component.

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Expansion Inserts

Expansion inserts are two-piece units consisting of a threaded insert and a captivated spreader plate. When the spreader plate is depressed, the knurled portion of the insert expands and anchors the insert in the hole.

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Press-fit Installation Inserts

The process of press-fitting allows inserts to be installed without the use of heat or ultrasonics. They are press-fit into a drilled or molded hole after the molding process has been completed.

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The availability of the products described on this site, and the product descriptions, may vary from country to country. Consult your STANLEY Engineered Fastening Account Executive or your local distributor for specific product information.