

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The VALUE COLLECTION C32424396 is a flat socket cap screw designed for fastening applications where a flush or countersunk head profile is required. Featuring a 3/16-inch hex socket drive and an 82-degree flat head geometry, this screw seats flush with or below the mating surface once fully driven. It is manufactured from 316 stainless steel, which provides strong resistance to corrosion and pitting in wet, chemical, or marine environments. At 5/16-18 UNC threading and 3 inches in overall length, it suits medium-duty structural and mechanical assemblies across plumbing, HVAC, pool equipment, and general industrial fabrication.
This fastener is well suited for installations in corrosive or high-moisture environments where standard carbon steel hardware would fail prematurely. Common applications include pipe hangers, equipment enclosures, pump housings, pool deck hardware, and marine-grade assemblies. The unified national coarse (UNC) thread standard ensures broad compatibility with standard tapped holes and nuts in inch-based systems. Installation is handled by mechanical contractors, pipefitters, service technicians, or millwrights working with stainless hardware assemblies.
Designed as a direct-fit replacement or standard fastener for any inch-based assembly requiring a 5/16-18 UNC flat socket cap screw with a 3-inch overall length and 82-degree countersink angle.
Installation requires a 3/16-inch hex key or Allen-style driver bit; use of a torque wrench is recommended for structural connections to avoid stripping the socket or over-stressing the stainless threads. Ensure the mating hole is tapped or threaded to 5/16-18 UNC specification before driving. When working with 316 stainless fasteners, apply an anti-seize compound to the threads to prevent galling, which is common with stainless-to-stainless contact. Power down or depressurize any system before accessing fastener locations on live equipment.
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.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!