S-92198A390 3/4"-16 x 4" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 Stainless 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
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration
- Class 2A thread fit provides consistent, precise assembly with standard UNF fine thread nuts
- External hex drive design allows for high-torque installation with common tools
- Partial threading offers optimal grip length for secure fastening in demanding applications
- Full compliance with ASME B18.2.1 guarantees dimensional accuracy and interchangeability
- RoHS 3 and REACH compliant meeting strict environmental and safety regulations
Professional Applications & Engineering Value
This 3/4"-16 UNF hex head screw delivers exceptional engineering value in heavy-duty industrial applications where corrosion resistance and mechanical strength are critical. The 18-8 stainless steel composition provides excellent protection against rust and chemical exposure, making it suitable for marine, chemical processing, and outdoor equipment. The UNF fine thread configuration ensures superior vibration resistance compared to coarse threads, while the external hex drive enables high-torque installation without stripping. With 80,000 psi tensile strength and Rockwell B70 hardness, this fastener maintains integrity under extreme stress conditions, solving common failure points in machinery, structural assemblies, and equipment manufacturing where reliability is non-negotiable.
Specification Summary & Compliance
This 4" length hex head screw features 3/4"-16 UNF fine threads with Class 2A thread fit tolerance for precise engagement. Manufacturing complies with ASME B18.2.1 dimensional standards, ensuring consistent quality and interchangeability. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, containing no restricted substances. Threading is partially threaded with a minimum thread length of 1 3/4" and right-hand thread direction conforming to standard inch system specifications.
