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The VALUE COLLECTION R40663468 is a hex socket cap screw designed for secure fastening in mechanical, industrial, and trade applications. Threaded 8-32 UNC with a 5/8 inch length under head, it accepts a 9/64 inch hex drive key for installation and removal. Constructed from 18-8 stainless steel, this fastener resists corrosion and maintains structural integrity in wet, outdoor, or chemically exposed environments. Its socket cap head profile allows installation in recessed or tight-clearance locations where a standard hex bolt head would not fit. Electricians, plumbers, HVAC technicians, and equipment fabricators commonly use socket cap screws when assembling panels, brackets, and mechanical components.
This screw is suited for light-duty to medium-duty fastening tasks in residential and commercial service environments. The 8-32 UNC thread is a common machine screw size found in electrical enclosures, control panels, HVAC equipment housings, pump assemblies, and general sheet metal or machined-part applications. The 18-8 stainless steel construction makes it a practical choice where carbon steel hardware would corrode due to moisture or chemical exposure.
Designed as a standard machine screw replacement or new installation fastener for any application using 8-32 UNC tapped holes requiring a hex socket cap screw.
Installation is performed with a 9/64 inch hex key or appropriately sized hex bit driver. De-energize and lock out any electrical or mechanical equipment before accessing fastener locations inside panels or enclosures, following applicable NFPA 70E or OSHA lockout/tagout procedures. Do not overtighten into aluminum or plastic tapped holes, as thread stripping may occur. Hand-start threads before applying torque to prevent cross-threading.
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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