S-93190A640 3/8"-16 x 4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
Super-Corrosion-Resistant 316 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 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity and prevents fastener failure under stress
- Rockwell B70 hardness provides excellent durability and resistance to wear, deformation, and galling during installation
- Fully threaded UNC coarse spacing delivers faster installation and superior grip in a wide range of materials
- Class 2A thread fit offers consistent, interchangeable assembly with standard nuts while maintaining ease of installation
- External hex drive design allows for high-torque application with common tools, reducing installation time and labor costs
- Comprehensive compliance with ASME B18.2.1, RoHS 3, and REACH ensures material safety and meets international engineering standards
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 316 stainless steel hex head screws provide exceptional performance where corrosion resistance and structural integrity are critical. The UNC coarse thread configuration ensures rapid installation and superior holding power in soft materials, wood, and structural steel assemblies. With fully threaded design and external hex drive, these fasteners deliver maximum thread engagement and withstand high torque applications in machinery, construction, and marine environments. The 4" length and right-hand thread make them ideal for heavy-duty framing, equipment mounting, and infrastructure projects requiring reliable, long-term fastening solutions that resist chemical degradation and mechanical stress.
Specification Summary & Compliance
This 3/8"-16 UNC hex head screw features precise Class 2A thread fit with coarse spacing, manufactured to ASME B18.2.1 dimensional standards. The fastener maintains 0.375" thread diameter and 4" length with full threading for consistent performance. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability for industrial procurement requirements.
