S-92620A677 7/16"-14 x 2" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Maximum load-bearing capability with 150,000 PSI tensile strength for critical structural applications
• Superior corrosion resistance through zinc yellow-chromate plating that withstands harsh industrial environments
• Optimized hardness performance with Rockwell C33 rating ensuring durability under repeated stress
• Reliable coarse thread engagement via UNC 7/16"-14 threading for faster assembly in heavy materials
• Precise thread compatibility with Class 2A fit maintaining consistent engagement across mating components
• Full-length threading provides maximum grip length and adjustment flexibility in various material thicknesses
• Industrial standard compliance meeting ASME B18.2.1 and SAE J429 specifications for guaranteed interoperability

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these Grade 8 hex head screws deliver exceptional performance where failure is not an option. The steel construction combined with zinc yellow-chromate plating creates a robust barrier against corrosion in demanding environments from manufacturing facilities to outdoor equipment. The fully threaded UNC coarse pattern ensures rapid installation and superior holding power in structural steel, machinery assemblies, and high-vibration equipment. With external hex drive design, these fasteners provide secure tool engagement for high-torque applications, while the 2" length offers versatility across various material thicknesses. This combination of high-strength properties and corrosion-resistant finish addresses critical challenges in construction, automotive, and industrial machinery where both mechanical integrity and environmental durability are paramount.

Specification Summary & Compliance

These hex head screws feature precise Class 2A thread fit tolerance ensuring consistent mating with standard nuts and tapped holes. The 7/16"-14 UNC coarse thread maintains dimensional accuracy per industrial standards, while the 2" length provides reliable fastening depth. Manufacturing complies with ASME B18.2.1 dimensional specifications and SAE J429 material and mechanical property requirements, guaranteeing interchangeability and performance consistency across industrial applications. The zinc yellow-chromate plating meets industry standards for corrosion protection without compromising the Grade 8 strength classification of 150,000 PSI tensile strength and Rockwell C33 hardness.