5/16-18 X 1/2″ Socket Head Cap Screws Tamper Resistant Pin-In Socket Drive 18/8 Stainless Steel (100 / Pkg.) Authentic
Original price was: $165.44.$69.48Current price is: $69.48.
Cap Screws Socket Pin-In Socket Stainless 5/16-18 x 1/2 is a high-quality stainless steel socket cap screw designed for secure, durable fastenings in demanding environments. The 5/16-18 thread size and 1/2 inch length make it suitable for a range of assemblies where strength and corrosion resistance matter.
Key Features
Stainless steel construction: provides excellent corrosion resistance and durability in wet, outdoor, or wash-down environments.
Socket cap screw with internal hex drive: tightens with a standard Allen wrench for a clean, low-profile head.
Pin-In Socket configuration: a specialized design that suits assemblies requiring pin alignment within the socket head.
Size and tolerance: 5/16-18 UNC thread, 1/2 inch length.
Specifications
Thread size: 5/16-18
Length: 1/2 in
Drive type: Internal hex (Allen)
Material: Stainless steel
Product type: Socket cap screw, pin-in socket
Applications
Ideal for equipment, machinery, automotive assemblies, and outdoor or marine environments where corrosion resistance and a secure, flush finish are essential.
Why choose stainless socket cap screws?
Corrosion resistance that stands up to moisture, chemicals, and exposure.
High-strength performance for reliable fastening in vibration-prone or demanding applications.
Versatile sizing and common thread standard (5/16-18) for compatibility with many components.





