[100 PKG] Hex Head Cap Screws 316 Stainless Steel 5/16-18 x 1/2" (FT)

Mutual ScrewSKU: 3108CH316BB

Price:
Sale price$45.12per 100( $0.45 each)
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1/2
Material Steel
Grade 316
Finish Stainless Steel
Head style Hex
Threads per inch 18
Thread style Fully Threaded
Weight 1.99 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

Hex Head Cap Screws in 316 Stainless Steel 5/16-18 x 1/2" (FT) deliver reliable, corrosion-resistant fastening for challenging environments. These fasteners are designed for marine, outdoor, and chemical applications, combining strength and durability with excellent resistance to rust and staining.

With a 5/16-18 UNC thread and a 1/2" length of full thread, they provide uniform engagement and superior load distribution for a secure, long-lasting hold.

Key Features

  • Material: 316 stainless steel for superior corrosion resistance
  • Head type: hex head cap screw for easy drive with common tools
  • Thread size: 5/16-18 UNC
  • Length: 1/2" (12.7 mm), full-thread length for maximum engagement
  • Finish: natural stainless steel finish
  • Applications: ideal for marine, industrial, outdoor, and chemical environments

Why Choose 316 Stainless Steel?

316 stainless steel offers exceptional resistance to chloride corrosion and harsh chemicals, making these screws a dependable choice for coastal, chemical processing, and outdoor installations. The material combination provides strong mechanical performance while maintaining longevity in corrosive settings.

Specifications

  • Product: Hex Head Cap Screws
  • Material: 316 stainless steel
  • Thread: 5/16-18 UNC
  • Length: 1/2" (12.7 mm)
  • Finish: natural stainless steel
  • Head style: Hex head
  • Full thread: Yes

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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