S-91247A846 3/4"-10 x 2 3/4" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 Steel Hex 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
- High tensile strength of 120,000 PSI ensures reliable performance in demanding industrial applications
- Zinc plated steel construction provides excellent corrosion resistance for extended service life
- Grade 5 classification guarantees consistent mechanical properties and load-bearing capacity
- 3/4"-10 UNC coarse threads offer superior engagement and faster assembly in various materials
- Partially threaded design allows for precise clamping force control and vibration resistance
- External hex drive with 1 1/8" head width enables high-torque installation using standard tools
- Class 2A thread fit ensures smooth assembly while maintaining secure fastening integrity
Professional Applications & Engineering Value
These Grade 5 hex head screws deliver exceptional engineering value across industrial applications where high tensile strength and corrosion resistance are critical. The zinc plated steel construction protects against environmental degradation in manufacturing facilities, construction sites, and heavy equipment applications. The 3/4"-10 UNC coarse thread configuration provides superior holding power in structural assemblies, machinery frames, and load-bearing connections. The partially threaded design concentrates clamping force precisely where needed, preventing joint loosening under vibration while the external hex drive accommodates high installation torque requirements. These industrial screws solve common fastening challenges by combining mechanical reliability with efficient installation in demanding environments.
Specification Summary & Compliance
This fastener features Class 2A thread fit per UNC standards with precise dimensional accuracy. Manufactured to meet ASME B18.2.1 and SAE J429 Grade 5 specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring strict regulatory adherence.
