S-96242A632 5/16"-18 x 1" 12-Point Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• High tensile strength of 170,000 psi ensures reliable performance in demanding heavy-duty applications
• Precision Class 3A thread fit guarantees secure, vibration-resistant connections with minimal play
• Integrated flange design eliminates the need for separate washers, reducing assembly time and parts count
• External 12-point drive provides excellent torque transmission and tool engagement for efficient installation
• Rockwell C37 hardness maintains structural integrity under repeated stress and high-pressure conditions
• UNC coarse threading enables quick assembly and superior resistance to loosening in dynamic applications

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this 12-point flange screw combines 18-8 stainless steel with Class 3A thread precision to solve critical fastening challenges. The flanged design distributes clamping force evenly, preventing surface damage while eliminating washer requirements in machinery assembly, automotive systems, and structural frameworks. With 170,000 psi tensile strength and corrosion-resistant properties, it maintains integrity in high-vibration environments and corrosive conditions, reducing maintenance frequency and lifecycle costs. The external 12-point drive ensures maximum torque application without stripping, making it ideal for confined spaces where reliability is paramount.

Specification Summary & Compliance

This 5/16"-18 UNC screw features Class 3A thread fit per ASME B1.1 standards, ensuring precise dimensional accuracy with coarse threading and right-hand direction. Manufactured from compliant 18-8 stainless steel, it meets industry requirements for mechanical performance and material consistency. The fastener is fully threaded with a 1" length and 5/8" flange diameter, providing uniform specifications for engineering applications requiring high tensile strength and reliable fastening solutions.