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PKHF-4S
$3.59
Spec: MS51831-202, Thread Size: 1/4-28, Length: 0.37, External Thread: 7/16-14, 1PC Stainless Steel
Perma-Kee inserts are solid, one piece, kee-locking inserts used to repair stripped or damaged threads in all types of metals and applications. When installed, locking-kees are driven into the surrounding parent material, locking the insert into place and keeping it from rotating due to vibration or torsion. No special taps are needed.