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Order LookupSelf-Locking Inserts
Available288 products
Self-locking inserts install into a mounting surface and provide a female-threaded hole for installing male-threaded fasteners. They feature external threading with a pre-applied thread-locking compound that engages with the mounting surface and resists loosening from vibrations.
Heavy Wall Self-Locking Inserts
Heavy-walled, also known as standard-walled, self-locking inserts screw into female-threaded holes and reduce their diameter. They are used to resize incorrectly drilled holes or repair damaged threads in metal mounting surfaces.
Plain 316 Stainless Steel
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Black Phosphate Steel
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Zinc Plated Steel
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Plain 18-8 Stainless Steel
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Thin Wall Self-Locking Inserts
Thin-walled self-locking anchors resize female-threaded holes in thin materials. Their outer diameter is 1/16" smaller than standard inserts of the same inner diameter. They are commonly used to resize threaded holes close to the edge of a mounting surface and reduce the chance of splitting or damage.
Black Phosphate Steel
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Plain 18-8 Stainless Steel
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Extra-Heavy Wall Self-Locking Inserts
Extra-heavy walled self-locking inserts feature sidewalls that are larger than standard-walled inserts by 1/16" or more. They are used to greatly reduce the size of holes that have been redrilled and tapped previously.
Black Phosphate Steel
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Screw-Locking Heavy Wall Self-Locking Inserts
Screw-locking heavy wall self-locking inserts install into threaded holes in the mounting surface and create new, smaller female threads. They feature thread-locking compounds applied to both their inner and outer threads to help resist vibration and secure them in place.
Black Phosphate Steel
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Automotive Self-Locking Inserts
Automotive self-locking inserts install into threaded holes in softer metal surfaces and secure into place using thread-locking compounds on their external threads. They repair threaded holes in engine blocks and other automotive applications involving softer metals.
Black Phosphate Steel
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Self-Locking Insert Assortments
Self-locking insert assortments contain sets of various sizes of self-locking inserts. They are ideal for high-volume environments where the same inserts are used repeatedly, such as in repair shops and production areas.
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Self-Locking Insert & Installation Tool Kits
Self-locking Insert and installation tool kits contain the parts and tools needed to repair or reinforce a threaded hole in a mounting surface.
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Drive Tools for Self-Locking Inserts
Drive tools for self-locking inserts help speed up installation by gripping and aligning inserts as they are installed. They fit into the chuck of a drill or driver and allow for rapid, accurate, repeated installations.
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