S-91251A995 10-24 x 5 1/2" 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.
- Superior corrosion resistance from the black-oxide finish on alloy steel extends service life in harsh industrial environments.
- Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies in critical machinery.
- Rockwell C37 hardness offers excellent wear resistance, maintaining thread integrity through repeated use.
- 5/32" hex drive design allows for easy installation with standard tools, minimizing assembly time and labor costs.
- Partially threaded shank with 7/8" minimum thread length enables optimal clamping force distribution in varied material thicknesses.
- Compliance with ASTM A574, RoHS 3, and REACH ensures material consistency and environmental safety for global industrial standards.
Professional Applications & Engineering Value
This 10-24 UNC socket head cap screw is engineered to address common challenges in heavy-duty assembly, such as joint loosening under dynamic loads and corrosion in exposed settings. The black-oxide alloy steel construction combats rust and wear, while the coarse thread spacing and Class 3A thread fit enhance grip in metals and composites, preventing back-off in vibrating equipment. Ideal for machinery, automotive, and aerospace applications, its partially threaded design allows precise engagement without over-torquing, streamlining maintenance and reducing downtime. The hex drive ensures quick, secure fastening in confined spaces, supporting efficient production lines and repair operations.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a Class 3A thread fit for high precision, and meets ASTM A574 specifications for consistent quality. It is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it is free of hazardous substances for safe industrial use worldwide.
