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PROLUBE Button Head Swiveling Couplers 1/8" NPT The PROLUBE Button head swiveling couplers are used to lubricate 5/8” (16 mm) button head grease fittings with a pressure rating up to 3000 PSI. With a zinc die-cast body and a metal seal for enhanced wear resistance, these swiveling couplers are commonly found on heavy machinery, agricultural equipment, and machinery used by contractors. Recommended for use with hand-operated grease guns only. Catalog Page
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🇺🇸 Ship from USA · On Agora since 2025
$14.49