थ्रेडको सबैभन्दा ठूलो निर्यातक चीन निर्माताले सम्मिलित गर्दछ 2004
Wire Thread Insert
तार थ्रेड घुसाउनुहोस् ,also known as Heli-Coil inserts ,are wire coils with internal threads,they are available in Free Running and Screwlock versions in Metric, UNF, UNC.
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