S-90124A636 3/8"-16 x 3" ASME B18.2.1, SAE J429 Steel Wire-Lockable Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh environments
• High tensile strength of 120,000 psi ensures reliable performance in demanding heavy-duty applications
• Rockwell C25 hardness provides excellent durability and resistance to wear and deformation
• External hex drive design allows for easy installation and removal with standard tools
• Class 2A thread fit ensures consistent, reliable engagement with mating components
• Partial threading offers optimal clamping force distribution for secure fastening
• Compliance with ASME B18.2.1 and SAE J429 standards guarantees consistent quality and interchangeability

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these Grade 5 hex head screws deliver exceptional performance in construction, machinery, and equipment assembly. The zinc-plated steel construction provides superior corrosion resistance, extending service life in challenging environments. With 3/8"-16 UNC coarse threads and partial threading, these screws offer excellent vibration resistance and reliable clamping force. The external hex drive ensures straightforward installation with common tools, while the 120,000 psi tensile strength and Rockwell C25 hardness prevent stripping and deformation under high stress conditions, making them ideal for critical fastening applications requiring long-term reliability.

Specification Summary & Compliance

These 3/8"-16 UNC Class 2A threaded hex head screws feature precise inch system measurements with 3" length and partial threading. Manufactured to ASME B18.2.1 and SAE J429 Grade 5 specifications, they ensure dimensional accuracy and mechanical performance. The products are fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental regulations for industrial use.