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TIME-SERT insert. A threaded insert, also known as a threaded bushing, is a fastener element that is inserted into an object to add a threaded hole. [1] They may be used to repair a stripped threaded hole, provide a durable threaded hole in a soft material, place a thread on a material too thin to accept it, mold or cast threads into a work piece thereby eliminating a machining operation, or ...
Helical coil screw thread inserts have been in use for many years. It was first invented in the 1930s and found initial acceptance in aircraft manufactured and serviced by the Allied Air Forces during World War II. Since that time, applications for helical coil inserts have come into broad usage in aerospace, automotive and industrial equipment.
Precision Castparts (PCC) was founded by Joseph Buford Cox on April 1, 1953. [6] Cox was owner of Oregon Saw Chain and in 1949 had started a casting operation to make saw teeth with assistant general manager Ed Cooley also working on the project.
Core plugs are usually thin metal cups press fitted into the casting holes, but may be made of rubber or other materials. The most common metal plugs used in automotive engines are made from plated mild steels, stainless steels, brass or bronze. In some high-performance engines the core plugs are large diameter cast metal threaded pipe plugs. [3]
Casting is the primary use of aluminum-silicon alloys, but they can also be utilized in rapid solidification processes and powder metallurgy. Alloys used by powder metallurgy, rather than casting, may contain even more silicon, up to 50%. [1] Silumin has a high resistance to corrosion, making it useful in humid environments.
The claim: Image shows Craigslist ad sought actors for Kamala Harris rally. An Aug. 9 Facebook post (direct link, archive link) amplified by former President Donald Trump shows what appears at ...
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