(Nu-Thred 3-Piece Thread File Set. Thread Pitches 1) 11, 13, 16, 20.
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Jaw Mfg Pipe Thread File #4 SAE USA - Rethreading Restoring
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Lang Tools 2670 Metric Thread File 8 Pitches 0.75mm-3.0mm
Blue Point TF1124A Thread File 11-12-13-14-16-18-20-24 Threads USA Machinist
