https://www.smarthvacproducts.com/product/square-wonder-head-bolt-socket-adapter This incredible tool fits into 1/2 inch hex sockets and enables the technician to easily remove 5/16 inch square head locking bolts. It allows easy access to places where valve wrenches will not work or when more leverage is required. Fill out the form to the right to find out where to buy this product in your area.
COMMON APPLICATION INCLUDES:
Refrigeration & A/C service valves
Condenser fan blades with bottom side and right side up hubs
Small and large concave blower wheels
Beam clamps for hanging all-thread rods (used in electrical, plumbing and A/C applications)
Square head lag screws
Pipe plugs, pump heads for gauge ports, water and pneumatic plugs, gas furnace manifold plugs
Adjustment screws for pressure switches
Great for Carrier, York, Addison, Rheem, Aaon, Bard, Trane and many more.