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The VALUE COLLECTION MS01B51273 is a worm drive gear clamp rated to SAE Size 164, designed for securing hose, tubing, and ducting connections in plumbing, HVAC, and general mechanical applications. The clamp adjusts from 2 inches to 10-3/4 inches in diameter, making it suitable for a wide range of pipe and hose sizes on a single clamp body. The band is constructed from Grade 201 stainless steel and carbon steel, delivering corrosion resistance alongside structural strength. The 1/2-inch band width distributes clamping load evenly to reduce hose deformation under torque. Plumbers, HVAC technicians, and mechanical contractors use this style of clamp as a reliable field fastener for both new installations and service work.
This worm gear clamp is used in residential and light commercial settings wherever flexible hose or duct must be secured to a barbed or slip fitting. Typical applications include radiator and coolant hose connections, HVAC flex duct terminations, irrigation lines, and general-purpose piping assemblies. The broad diameter range of 2 to 10-3/4 inches means one SKU covers multiple connection sizes on the same job, reducing the number of clamp sizes a technician needs to carry on the truck.
Designed as a general-purpose OEM-style worm gear clamp suitable for hose, tubing, and flexible duct connections with an outside diameter falling within the 2 to 10-3/4 inch clamping range.
Installation is performed by placing the clamp around the hose or duct before sliding it onto the fitting, then positioning the clamp band over the fitting barb and tightening the worm screw with a flathead screwdriver or 5/16-inch hex nut driver. Power down or shut off fluid flow to the line before service on live systems. Do not overtighten to the point of cutting the hose material or collapsing thin-wall tubing. Follow applicable IPC or IFGC guidelines for clamp placement and spacing when used in code-governed plumbing or gas-adjacent duct assemblies.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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