S-93516A156 3/8"-24 x 1 1/2" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance for extended service life in marine and harsh industrial environments
• High tensile strength of 70,000 PSI ensures reliable performance under heavy loads and stress
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
• UNF fine thread design delivers superior holding power and vibration resistance in critical applications
• Class 2A thread fit guarantees precise installation and consistent performance across assemblies
• Full threading along the 1½" length enables maximum engagement and adjustment flexibility
• External hex drive design allows for high-torque installation with standard tools

Professional Applications & Engineering Value

Engineered for demanding environments where corrosion resistance and structural integrity are paramount, these 651 Silicon Bronze hex head screws solve critical challenges in marine hardware, chemical processing equipment, and offshore installations. The UNF fine thread configuration (3/8"-24) provides enhanced clamping force distribution and superior resistance to vibrational loosening compared to coarse threads. With 70,000 PSI tensile strength and Rockwell B70 hardness, these fasteners maintain mechanical properties in saltwater exposure and acidic conditions where stainless steel may suffer from stress corrosion cracking. The external hex drive accommodates high installation torque requirements while the fully threaded design ensures maximum thread engagement in both thick and thin materials.

Specification Summary & Compliance

This 3/8"-24 UNF hex head screw features Class 2A thread fit per unified thread standards with 1½" length and fully threaded construction. Manufactured to ASME B18.2.1 specifications for dimensional accuracy and mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for environmental safety and restricted substances.