5/16-18 X 1/2" Socket Head Cap Screws | Tamper Resistant | Pin-In Socket Drive | 18/8 Stainless Steel (100 / Pkg.)

Mutual ScrewSKU: 3108CSPSM188S

Price:
Sale price$165.44per 100( $1.65 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Length 1/2
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Pin-In Socket
Head style Socket
Weight 2.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

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.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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