S-91864A007 1-72 x 3/16" ASTM A574 Alloy Steel Socket Head Screws
Alloy Steel Socket Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Precise Class 3A thread fit provides superior engagement and vibration resistance, maintaining joint integrity in demanding environments.
- Black-oxide coating on alloy steel offers enhanced corrosion resistance, extending service life in various industrial conditions.
- Fine UNF thread design allows for finer adjustments and better clamping force control in precision assemblies.
- Hex socket drive enables high-torque installation with standard tools, minimizing stripping and improving assembly efficiency.
- Full threading along the 3/16" length provides consistent holding power and flexibility in positioning for diverse mounting needs.
- Rockwell C37 hardness ensures durability and wear resistance, supporting long-term reliability in repetitive or high-load scenarios.
Professional Applications & Engineering Value
This 1-72 UNF socket head cap screw is engineered to address critical challenges in precision machinery, electronics, and automotive systems where space constraints and high strength are paramount. The black-oxide alloy steel construction combats corrosion and wear, ideal for environments exposed to moisture or chemicals. With a fine thread and Class 3A fit, it delivers secure fastening in thin materials and vibration-prone setups, preventing loosening over time. The hex drive socket allows for compact installation in confined areas, streamlining assembly while maintaining 170,000 psi tensile strength for heavy-duty applications. These features make it a top choice for engineers seeking durability, compliance, and performance in industrial fasteners.
Specification Summary & Compliance
This screw adheres to UNF fine thread standards with a Class 3A thread fit for precise dimensional accuracy. It meets ASTM A574 specifications for high-strength alloy steel and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability in global supply chains.
