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Your cart is empty.The E-Z LOK threaded inserts kit for metal is a 46-piece set of solid, heavy wall, carbon steel, self-locking, unified coarse thread inserts for use in metal, packaged in a case with a compartment for each of five different sizes: 10-24, 1/4-20, 5/16-18, 3/8-16, and 1/2-13. These inserts are self-locking, with pre-applied Loctite on the external threads that is ready to use in 3-5 minutes and seals against liquids and gases to 6,000 psi when fully cured (72 hours after installation). They fit holes made with standard drill and tap tools, and install with a flathead screwdriver or bolt and jam nut (installation hardware sold separately). The inserts are made of American Iron and Steel Institute (AISI) 12L14 carbon steel, which is cold drawn for better tolerance and strength than hot rolled steel. This steel has a Rockwell hardness of B84 and an ultimate tensile strength of 78,300 psi. Specifications Quantity of Inserts Insert Part Number Internal Thread External Thread Length Tap Drill Size Tap Size Min. Full Thread Depth 10 329-3 10-24 3/8-16 0.406 5/16 3/8-16 15/32 10 329-4 1/4-20 7/16-14 0.437 23/64 7/16-14 1/2 10 329-5 5/16-18 1/2-13 0.484 27/64 1/2-13 9/16 10 329-6 3/8-16 9/16-12 0.515 31/64 9/16-12 19/32 6 329-8 1/2-13 3/4-10 0.656 21/32 3/4-10 3/4 Externally threaded inserts are used to repair a hole with stripped threads, or to install a new threaded hole. The hole must be tapped to the correct size, then the insert is installed; it is anchored by an adhesive or locking elements. E-Z Lok manufactures threaded inserts for use with metal, plastic, and wood. The company, founded in 1956, is headquartered in Gardena, CA.
Sandy Ganz
Reviewed in the United States on October 4, 2024
Have a few other types of thread repair styles, this is a nice one as it allows standard threads for the insert, no special taps needed.Also can be used as a thread size reducer if needed, which was the primary reason I gave these a try.Nice problem solver!
Emmanuel Germain
Reviewed in Canada on February 7, 2023
When possible to drill and tap a bigger hole these are by far the best solution. Much stronger than a helicoil and if something happens to your inner threads you can heat them up and remove them and just install new ones.They worked perfectly for my application in cast iron.
Vernon Austin
Reviewed in the United States on February 18, 2020
worked as stated in description. just have to make sure you drill the right size hole for insert
Serge
Reviewed in Canada on July 7, 2019
Parfait
Herman Dyck
Reviewed in Canada on May 23, 2019
This is a high quality kit that met my needs perfectly
Thomas Williams
Reviewed in the United States on May 11, 2019
Exactly what I ordered & as describe
Charles M. Reid
Reviewed in the United States on June 1, 2017
These are truly professional coils. No worries with new thread.Charlie R.
Rayzor267
Reviewed in the United States on March 8, 2014
Fast and easy way to replace stripped out threadsJust drill out the threads, re-thread with new tap size and install E-Z LOK
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