S-94288A214 5/16"-18 x 1" Extreme-Strength Stainless Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and outdoor applications
• Exceptional tensile strength of 170,000 PSI ensures reliable performance under heavy loads and extreme conditions
• Enhanced durability with Rockwell C38 hardness for reduced wear and longer service life
• Precise Class 2A thread fit provides smooth assembly and consistent clamping force in demanding applications
• Integrated flange design eliminates the need for separate washers, speeding up installation and improving load distribution
• Coarse UNC threading offers faster installation and better resistance to vibration loosening
• Full threading along the entire 1" length ensures maximum grip and holding power

Professional Applications & Engineering Value

These 5/16"-18 UNC hex head screws deliver exceptional engineering value in demanding industrial applications where corrosion resistance and high tensile strength are critical. The 18-8 stainless steel composition provides excellent protection against rust and chemical exposure, making these flanged hex screws ideal for marine equipment, food processing machinery, and outdoor structural applications. The external hex drive and coarse UNC threading enable quick installation and removal, while the Class 2A thread fit ensures precise engagement without binding. The integrated flange design distributes clamping force evenly, preventing surface damage and maintaining joint integrity under vibration and dynamic loads.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading (5/16"-18). Features include 1" length, 3/8" head width, 5/16" head height, and 5/8" flange diameter. These fully threaded screws with right-hand thread direction comply with industry standards for dimensional accuracy and performance. The 18-8 stainless steel composition meets corrosion resistance requirements, while the 170,000 PSI tensile strength and Rockwell C38 hardness ensure reliable performance in heavy-duty applications.