S-93075A289 12-24 x 3/8" ASME B18.6.3 Low-Strength Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, extending service life in demanding industrial environments
• High tensile strength of 60,000 PSI ensures reliable, vibration-resistant fastening under heavy loads
• Rockwell B69 hardness provides excellent durability and resistance to wear and deformation
• Class 2A thread fit with UNC coarse threading allows for quick assembly and reduced cross-threading risks
• External hex drive design enables easy installation and removal with standard tools
• Full threading along the 3/8" length offers maximum grip and holding power in various materials
• Compliance with ASME B18.6.3, RoHS 3, and REACH ensures quality, safety, and environmental responsibility

Professional Applications & Engineering Value

These 12-24 UNC coarse thread hex head screws are engineered to address critical fastening challenges in industrial settings. The steel construction combined with zinc plating provides robust protection against corrosion, making them ideal for machinery, equipment assembly, and structural applications where moisture or chemical exposure is a concern. The external hex drive allows for high-torque installation, reducing the risk of stripping and ensuring secure connections in high-vibration environments. With coarse threading, these screws excel in soft materials or where rapid assembly is required, minimizing installation time while maintaining 60,000 PSI tensile strength for long-term reliability. Their full-threaded design ensures consistent clamping force, making them a trusted solution for maintenance, manufacturing, and automotive industries seeking durable, compliant fasteners.

Specification Summary & Compliance

This screw features precise Class 2A thread fit per UNC standards, ensuring consistent engagement and dimensional accuracy. Manufactured to meet ASME B18.6.3 specifications for hex head screws, it guarantees interoperability and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for hazardous substances. With a 3/8" length and right-hand thread direction, it is designed for reliable use in inch-system applications across various sectors.