5/16-18 X 1/2" Button Head Cap Screws | 18/8 Stainless Steel (100 / Pkg.)

Mutual ScrewSKU: 3108CSB188BB

Price:
Sale price$43.60per 100( $0.44 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 Hex Socket
Head style Button
Thread style Fully Threaded
Weight 1.5 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 18/8 Stainless 5/16-18 X 1/2 are precision-engineered fasteners designed for secure, clean-looking joints in a wide range of applications. Crafted from 18/8 stainless steel, these button-head socket cap screws combine strength, corrosion resistance, and a low-profile profile that won’t interfere with machinery or assemblies.

Key specifications

  • Material: 18/8 stainless steel (304)
  • Head style: Button head with socket drive
  • Drive type: Hex socket (Allen)
  • Thread: 5/16-18 UNC
  • Length: 1/2 in
  • Finish: Stainless steel, corrosion resistant

Why choose these cap screws

Designed to withstand moisture, heat, and typical shop environments, these stainless cap screws offer reliable performance in furniture, machinery, electronics enclosures, automotive applications, and more. The button head provides a sleek appearance and distributes load for a secure connection without snagging on moving parts.

Applications

Ideal for assemblies where a low-profile, high-strength fastener is required, including:

  • Machinery and equipment assembly
  • Automotive and automotive aftermarket projects
  • Furniture, cabinetry, and electronics enclosures
  • Exterior or damp locations where corrosion resistance is important

Installation tips

Use the correct hex key to avoid rounding the socket. Apply steady torque and avoid over-tightening to maintain thread integrity and material compatibility. This stainless steel fastener pairs well with stainless panels and components for a consistent, corrosion-resistant join.

Ready to add a dependable, corrosion-resistant fastening solution to your toolkit? Order these Cap Screws Button Socket 18/8 Stainless 5/16-18 x 1/2 today and ensure durable, clean-fastening performance across your projects.

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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