Thread Repair Wire Insert Kits, Imperial ,UNF, UNC, 1/4" 5/16" 3/8" 7/16" 1/2"

Threads available: UNF / UNC. Imperial Thread Repair Kits / Inserts. Thread Kit - Box Set as pictured, includes standard length inserts. 1/4" Extra long insert is approx 1/2" long. 5/16" Extra long insert is approx 5/8" long.

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