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The VALUE COLLECTION WN5X00400-100BX is an M4x0.70 metric coarse stainless steel standard wing nut designed for hand-tightened fastening applications where tools are impractical or repeated removal is required. Manufactured to DIN 315 standards, the fastener uses 18-8 austenitic stainless steel (Grade A2), providing solid corrosion resistance in wet, humid, or mildly chemical environments. With a 20mm wing span and 10.5mm wing height, it delivers adequate leverage for fingertip torque on M4 threaded assemblies. This wing nut suits trade professionals who need a reliable, reusable fastener on panels, covers, guards, or equipment enclosures across HVAC, plumbing, electrical, and pool service applications.
This wing nut is suited for use in both residential and light commercial installations wherever an M4x0.70 right-hand metric thread fastener is required. Typical applications include securing access panels, junction box covers, filter frames, and equipment guards that require periodic removal for inspection or service. The stainless steel construction makes it a practical choice in corrosive or outdoor environments such as pool equipment enclosures, rooftop HVAC units, and exposed mechanical rooms.
Designed as a standard DIN 315 wing nut for use with any M4x0.70 metric coarse right-hand threaded bolt or stud in trade and industrial assemblies.
Wing nuts are hand-installed and should be tightened finger-tight only. Do not use pliers or wrenches on wing nut ears, as this may crack or deform the wings. Ensure the mating threaded fastener is free of debris and corrosion before installation. In electrical or HVAC applications, de-energize the equipment and follow applicable NEC or equipment manufacturer lockout procedures before opening any panel secured by this fastener.
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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