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The VALUE COLLECTION MP4549 is an M10x1.25 metric fine hex nut machined from steel and finished with a zinc-plated coating for corrosion resistance. With a right-hand thread direction and metric fine thread standard, it provides a tighter thread pitch than coarse-series fasteners, making it well-suited for applications requiring precise clamping force or vibration resistance. The nut measures 14mm across flats and stands 8mm high. Each package contains 50 nuts, making it practical for production work, service kits, or bench stock. This is a general-purpose fastener installed by mechanics, pipefitters, electricians, and HVAC technicians across a wide range of trade and industrial applications.
The MP4549 is used wherever an M10x1.25 metric fine hex nut is required. The fine thread pitch is common in automotive, HVAC equipment mounting, and precision mechanical assemblies where standard coarse threads are not specified. The zinc-plated finish provides a degree of corrosion resistance suitable for indoor and moderately protected outdoor environments. The 50-piece package quantity is appropriate for shops, service vehicles, and facilities maintenance programs that consume fasteners in volume.
Designed for use in any application requiring an M10x1.25 metric fine right-hand hex nut, including HVAC equipment mounting hardware, mechanical assemblies, and general trade fastening where a metric fine thread specification is called out.
Installation is performed by hand-threading onto a compatible M10x1.25 metric fine threaded fastener, then torqued to the specification required by the equipment manufacturer. Always verify thread standard and pitch before installation — metric fine and metric coarse nuts are not interchangeable on the same stud. Use a correctly sized metric wrench or socket to avoid rounding the flats. Do not mix zinc-plated hardware with dissimilar metals in high-moisture environments without appropriate isolation.
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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