When big machines demand big grease, this coupler delivers. Locks onto 5/8″ button head fittings and connects to any standard grease coupler.

UPDATED DESIGN! Easily connects to your LockNLube® Grease Coupler, or standard grease coupler, so you don't have to change your grease gun to service button head fittings. Just connect your coupler to the Zerk fitting at the back of the tool, and easily remove it when done.

• Fits 5/8″ button head fittings
• Eliminates the need for a dedicated button-head grease gun
• High-flow design for heavy-duty applications
• Connects to LockNLube® or standard grease couplers
• Fast connect and release
• Ideal for construction, ag, mining, forestry, and industrial
• Great for track adjusters, loaders, excavators, and machinery with large grease volumes