Threaded expansion inserts are designed to provide strong reusable threads in thermoset and other hard plastics and are commonly used in plastic casings and housing. Threaded inserts are available in various materials and finishes and metric course threads to suit every application.

Larger in diameter than the tapped hole, the insert is compressed during installation to ensure maximum surface contact between the flanks of the wire insert and tapped threads. Constructed from environmentally-sound brass for enhanced strength and resilience, this assortment kit is designed to offer even force distribution and long-term usage. If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag.Threaded inserts with internal hexagon socket for threaded coupling in case when the standard mounting nuts or blind nuts cannot be used. These threaded inserts feature a knurled outer diameter with expansion slots that prevent rotation or loosening due to vibration and ensures consistent self-locking pressure on the fixing screws.

This comprehensive kit contains 360pcs knurled threaded inserts, ranging from M2 to M4 in size, suitable for a wide range of applications. The locking torque is achieved by the action of a polygonal grip coil in the insert that exerts radial pressure on the male thread, with each grip coil consisting of a number of tangential locking chords that protrude inside the minor diameter of the normal free running coils. Once fitted, the action of the radial pressure between the insertï¾’s coils and flanks of the tapped hole holds them in place securely. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO Seal of Approval if we’re confident of their exceptional quality, which means you can be confident too.Components in this range are available in A1 Stainless Steel as standard, with Chemical Blackening available. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products. You can read all about the cookies we use, how they work and how you can adjust your preferences in our Cookie Policy. If you choose to decline, then we will only use functional and analytical cookies and you will continue to see random advertisements. The flexibility of our inserts enhances load bearing capacity by deflecting the residual forces into a helical direction, which is dispersed into the wall of the tapped hole.

With Reinforced Threaded Inserts we also offer a version with a stronger cross-section for use in applications with greater stress. Our screw locking inserts have all of the advantages of a free running type plus the additional benefit of prevailing locking torque, which makes them a valuable and reliable choice for use in applications subject to cyclic vibration or impact. Its smooth surface with no burr provides a regular, uniform shape making the installation effortless.We also use cookies to analyse our traffic and share information about your use of our site with our analytics partners. Commonly utilized in many industries, including mobile phones, laptops, communications, micro-motors, computers, electrical appliances, electronics, toys, watches, lighting, locomotives, and more.