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C-Serts are a permanent thread-repair solution for heavy industrial applications where failure is unacceptable. C-Serts are backed by a Lifetime Warranty which covers pull-out, back-out, and even thread wear. Yes, that includes cross-threading and all other forms of operator error. The "lifetime" in our Lifetime Warranty means for the whole service life of your equipment. Made from through-hardened tool steel here in the USA, C-Serts won't wear out because they are far harder than any fastener. Thanks to our patented design, they won't pull out because they actually cut their way in to form a tight interference fit. This eliminates the need for a tap and makes for a quick repair.
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If you have questions please contact sales@aist.org or (724) 814-3000 ext. 2