Features and Benefits:

• Lincoln, Guardian Hydraulic Coupler Grease Fittings 1/4"-28, 10 pieces per package, (G630)
• Lincoln grease fittings are used for construction equipment and machine manufacturers. The ball check in the head of the fitting prevents dirt and grit from getting to the bearing. The true spherical contour of the fitting head provides a natural ball and socket joint between the fitting and any commercial hydraulic coupler common to grease guns and grease transfer pump assemblies. The internal spring on the fittings is tempered with music wire, coiled so that it cannot be compressed to restrict the flow of heavy lubricants, or forced out of the body under normal pressures. The fittings have a specially formed lip at the fitting base that locks the spring and ball securely in place.
• For a wide-angularity of contact, and tight metal-to-metal seal