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

Mutual ScrewSKU: 3108FPSM

Price:
Sale price$232.51per 100( $2.33 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 Flat
Weight 1.0 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 Flat Pin In Socket Stainless 5/16-18 x 1/2 are precision-engineered stainless steel cap screws designed for reliable, high-strength fastening with a flat pin in socket drive. Sized for 5/16-18 threads and 1/2 inch overall length, these fasteners deliver consistent clamping in a variety of mechanical assemblies.

Built from corrosion-resistant stainless steel, these socket cap screws are ideal for environments where rust and wear are concerns. The flat pin in socket drive provides a secure seating option that reduces cam-out and distributes load evenly for durable performance in outdoor, automotive, marine, and industrial applications.

Specifications

  • Material: Stainless steel
  • Drive type: Flat pin in socket
  • Thread size: 5/16-18
  • Length: 1/2 inch

Benefits

  • Excellent corrosion resistance for harsh or moisture-prone environments
  • Secure, flush seating with a low-profile head design
  • Reliable durability for repeated assembly and disassembly

Add these stainless cap screws to your toolkit for dependable fastening in machinery, electronics, automotive projects, and DIY builds.

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

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