Description Groz Hook-On Button Head Coupler – (16mm) The Groz Hook-On Button Head Coupler is designed specifically for button-head grease fittings, this coupler is the perfect choice for agricultural equipment, construction machinery, and other heavy-duty applications. Fit standard button head fittings 16 mm button head Zinc die cast head up to 3,000 PSI 1/8″ BSPT thread Crafted with a zinc die-cast body and a metal seal, it delivers superior wear resistance and long service life. Built to handle pressures up to 3000 PSI, this coupler ensures efficient, leak-free lubrication every time.
