S-91253A024 10-32 x 3" ASTM F835 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 130,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
• Class 3A thread fit provides superior precision and tight tolerances for secure, vibration-resistant assemblies in critical machinery.
• Black-oxide coating on alloy steel enhances corrosion resistance and durability, extending service life in harsh industrial environments.
• Fully threaded design allows for maximum grip and even load distribution along the entire 3" length, ideal for deep-set applications.
• 82° countersink angle enables a flush, professional finish that minimizes protrusion and improves aerodynamic or aesthetic surfaces.
• Hex drive style offers high torque capability and easy installation with standard tools, speeding up assembly processes.
• Compliance with ASTM F835, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations, supporting sustainable procurement.

Professional Applications & Engineering Value

These 10-32 UNF flat head screws are engineered to address common industrial challenges such as vibration loosening and material fatigue. Constructed from black-oxide alloy steel with a Rockwell C39 hardness, they provide excellent wear resistance and strength for heavy-duty fastening in machinery, automotive, and aerospace sectors. The fine thread spacing and Class 3A thread fit ensure a secure, tight connection that maintains integrity under dynamic loads, while the fully threaded design enhances grip in deep or variable materials. Ideal for applications requiring precise, flush mounting—like enclosures or structural frames—these screws deliver reliable performance and reduce maintenance needs, making them a cost-effective solution for industrial screws and precision fasteners.

Specification Summary & Compliance

This product features a 10-32 UNF thread size with Class 3A thread fit and fine thread spacing, ensuring high precision in inch system measurements. It complies with ASTM F835 specifications for consistent quality and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety standards for industrial use.