S-90044A283 1-64 x 3/8" ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black-oxide coating, ideal for harsh industrial environments
• High tensile strength of 170,000 psi ensures reliable performance in heavy-duty applications
• Precision Class 3A thread fit guarantees secure fastening and vibration resistance
• Fully threaded design provides maximum grip and load distribution across the entire length
• Hex socket drive allows for high-torque installation in confined spaces
• ASTM A574 certification ensures consistent quality and material integrity
• RoHS 3 and REACH compliance meets international environmental and safety standards

Professional Applications & Engineering Value

These black-oxide alloy steel socket head cap screws deliver critical engineering advantages in demanding applications. The UNC coarse thread with Class 3A fit prevents loosening under vibration while enabling quick assembly. With 170,000 psi tensile strength and Rockwell C37 hardness, they maintain structural integrity in machinery, automotive, and aerospace components where failure isn't an option. The fully threaded right-hand design ensures maximum engagement in tapped holes, while the hex drive socket provides superior torque transmission compared to standard fasteners. The black-oxide surface treatment creates a durable barrier against corrosion without compromising dimensional accuracy.

Specification Summary & Compliance

Manufactured to ASTM A574 specifications with Class 3A thread fit for precision tolerance. Features 1-64 UNC coarse threads with right-hand orientation and fully threaded construction. Dimensions include 3/8" length, 1/16" hex drive, and 0.118" head diameter. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.