S-94173A341 7/16"-20 x 3" 12-Point Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide coating, extending service life in harsh industrial environments.
• Superior torque transmission via the external 12-point drive, reducing tool slippage and enabling precise installation.
• High tensile strength of 170,000 psi ensures reliable performance under extreme mechanical stress.
• Flanged design distributes clamping force evenly, minimizing surface damage and improving joint integrity.
• Precise Class 2A thread fit allows for smooth assembly and reduces the risk of cross-threading.
• Rockwell C38 hardness provides excellent wear resistance and durability in high-vibration applications.
• UNF fine thread spacing offers better adjustment control and superior holding power in dynamic loads.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this 7/16"-20 UNF 12-point screw addresses critical assembly challenges. The black-oxide alloy steel construction combats rust and oxidation, ideal for automotive, machinery, and structural applications exposed to moisture or chemicals. Its external 12-point drive and flanged head design enable high-torque fastening without cam-out, ensuring secure connections in heavy-duty equipment. The fine thread spacing and Class 2A thread fit provide vibration resistance and precise tension control, reducing maintenance needs and enhancing operational safety in dynamic environments.

Specification Summary & Compliance

This screw adheres to UNF thread standards with a Class 2A thread fit for consistent dimensional accuracy. It features a 7/16"-20 fine thread, partial threading, and right-hand direction. Manufactured from alloy steel with a Rockwell C38 hardness and 170,000 psi tensile strength, it meets industry specifications for high-strength fasteners. Compliant with RoHS and REACH environmental standards, ensuring safety and sustainability in industrial use.