S-94173A324 3/8"-24 x 3" 12-Point Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with 170,000 PSI tensile strength and Rockwell C38 hardness, ideal for high-stress industrial environments.
• Superior corrosion resistance provided by the black-oxide finish on alloy steel, extending service life in demanding conditions.
• High-torque application capability enabled by the external 12-point drive and 12-point head, ensuring secure, slip-resistant fastening.
• Precise and reliable thread engagement with Class 2A thread fit and fine UNF threading, reducing the risk of cross-threading and loosening.
• Enhanced load distribution and stability from the integrated flange design, minimizing surface damage and improving joint integrity.
• Optimized for partial threading applications, allowing for controlled clamping force and reduced weight in assemblies.
• Broad compatibility with standard 3/8"-24 UNF nuts and components, streamlining inventory and assembly processes.

Professional Applications & Engineering Value

This 3/8"-24 UNF 12-point screw is engineered to address critical challenges in heavy-duty and precision assemblies. Constructed from black-oxide alloy steel, it offers excellent resistance to wear and environmental factors, making it suitable for automotive, machinery, and construction applications where reliability is paramount. The external 12-point drive and flanged design provide superior torque transmission and distribute load evenly, preventing surface indentation and ensuring long-term fastener integrity. With fine thread spacing and Class 2A thread fit, it delivers consistent clamping force and vibration resistance, reducing maintenance needs and downtime in dynamic operational settings.

Specification Summary & Compliance

This screw adheres to UNF thread standards with a Class 2A thread fit for precise dimensional accuracy and interchangeability. It is manufactured in accordance with industry specifications for inch system fasteners, ensuring compatibility with standard components. The product meets common industrial requirements for material and performance, though specific compliance with standards such as ASME or RoHS should be verified based on application needs. Key specifications include a thread size of 3/8"-24, a length of 3", and partial threading for optimized performance.