5/16-18 X 1-1/4" Button Head Cap Screws | 316 Stainless Steel (100 / Pkg.)

Mutual ScrewSKU: 3120CSB316YW

Price:
Sale price$223.12per 100( $2.23 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Length 1-1/4
Material 316 Stainless Steel
Grade 316
Finish Plain
Drive Hex Socket
Head style Button
Weight 3.0 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 Button Socket 316 Stainless 5/16-18 x 1-1/4 is a high-strength socket head cap screw designed for demanding applications. Crafted from 316 stainless steel, it offers exceptional corrosion resistance and long-lasting durability in marine, outdoor, and industrial environments.

Key Features

  • Material: 316 stainless steel for outstanding corrosion resistance in salt spray, moisture, and chemicals.
  • Head & drive: Button head with internal hex drive for a clean, low-profile installation and easy tightening with an Allen key.
  • Thread & size: 5/16-18 UNC thread for secure, consistent clamping in many assemblies.
  • Length: 1-1/4 in overall length to fit a variety of components.
  • Finish: Natural stainless finish that resists staining and maintains color integrity over time.

Specifications

  • Thread size: 5/16-18 UNC
  • Length: 1-1/4 in
  • Head style: Button head socket
  • Drive type: Internal hex (Allen)
  • Material: 316 stainless steel

Applications

  • Marine hardware, boat fittings, and coastal equipment
  • Outdoor machinery, fencing, and structural assemblies
  • Agricultural, automotive, and industrial equipment exposed to moisture and chemicals
  • Repair and maintenance projects requiring durable, corrosion-resistant fasteners

Installation & Care

To install, align the components, insert the screw, and tighten with an appropriate Allen wrench. Torque to the values specified by your fastener charts to ensure proper clamping without over-tightening. Clean threads before installation and store in a dry environment to preserve corrosion resistance.

Upgrade your assemblies with Cap Screws Button Socket 316 Stainless 5/16-18 x 1-1/4 for reliable performance and lasting protection in challenging environments.

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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