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 provide vibration protection against the loosening of screws and bolts, and protect tapped holes against failures.
Heat/Ultrasonic Installation for Plastics
When using plastics, inserts are designed to provide the high-performance strength values of molded-in inserts, while retaining all of the economical advantages of inserts installed after molding.
While the trend is to install inserts into Thermoplastics by post mold, some highly filled plastics (above 35% glass fill) will benefit from a mold-in insert design.
Compression limiters are designed for applications where the tightening load of the bolt or screw will compress, crack, or otherwise damage the plastic component.
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.
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.
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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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.