Carmex Internal/External NPTF Threadmill Insert 14mm / 14 TPI / 14 - 14 NPTF MT7 Insize Thread GO Ring Gauge 5/16"-18 UNC Series 4121-5D1 5D (Standard) offers precise 3208-100B 11210003900 Meets DIN863 3 Standards
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Ships within 48 hours · Estimated delivery Oct 13 - Oct 18