Clamps

MERRILL CLAMPS

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Comparison of five Merrill clamp series
Compare Clamps	SMALL DIAMETER M62M Mini Clamp View Product	MOST COMMON M67-1 Standard Water System View Product	MARINE GRADE M677 UPC Approved / All Stainless Steel View Product	HEAVY DUTY M64 3/8" Hex Head Screw View Product	MAXIMUM STRENGTH M69 Extra Heavy Duty View Product
Why Choose It?	Compact clamp for small-diameter hose and tubing.	Versatile everyday clamp for most standard water system jobs.	Marine-grade option when corrosion resistance matters most.	Heavy-duty clamp for marine and underground service.	Extra heavy-duty clamp for the toughest jobs and widest size needs.
Best For?	Small-diameter applications where a standard clamp is too large.	Irrigation, plumbing and general-purpose hose connections.	Marine-grade and underground applications.	Marine-grade and underground applications.	High-load applications and any clamp size requirement.
Clamp Strength / Duty	Light dutyMini clamp	Standard dutyMost common choice	5/16" hex headMarine-grade construction	Heavy duty3/8" hex head screw • Marine-grade construction	Extra heavy dutyMaximum holding strength
Corrosion Resistance	Good corrosion resistance for general service.	Reliable corrosion resistance for general outdoor and wet use.	Higher corrosion resistance for wet and corrosive environments.	Strong corrosion resistance for demanding service.	Heavy stainless construction for long-term durability.
Fits	Small clamp sizes	Standard clamp sizes	Standard clamp sizes	Standard clamp sizes	Nearly any clamp size needed on site