AJR Polytron Inc. said its Hard Thred brand of phenolic-glass-threaded inserts are less expensive than brass and stainless-steel-threaded inserts for insert- molded applications.
Hard Thred is designed for exacting, high-volume applications, especially cell phones. Typically those types of products use brass inserts, which are relatively expensive and can be overengineered for many applications, according to AJR Polytron in Huntingdon Valley, Pa.
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