S-93190A553 1/4"-20 x 2 3/4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance thanks to 316 stainless steel construction, ideal for harsh environments and chemical exposure
- High tensile strength of 70,000 PSI ensures reliable load-bearing capacity and joint integrity in demanding applications
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
- Fully threaded UNC coarse spacing allows for faster installation and superior grip in a wide range of materials
- Class 2A thread fit offers consistent, free-spinning assembly with standard nuts for efficient production
- External hex drive design enables high-torque installation with common tools, reducing assembly time
- Full regulatory compliance with ASME B18.2.1, RoHS 3, and REACH ensures material safety and global acceptance
Professional Applications & Engineering Value
This 316 stainless steel hex head screw is engineered to solve critical challenges in corrosive and high-stress environments. The 1/4"-20 UNC coarse thread and fully threaded design provide maximum engagement and pull-out resistance in soft metals, plastics, and wood, making it ideal for industrial machinery, marine equipment, and chemical processing applications. The external hex drive allows for secure, high-torque fastening with standard wrenches, speeding up assembly lines while the Class 2A thread fit ensures consistent, reliable performance. Its exceptional corrosion resistance from the 316 grade material prevents failure in humid, saline, or acidic conditions, reducing maintenance costs and downtime in demanding sectors.
Specification Summary & Compliance
This hex head screw features a 1/4"-20 UNC coarse thread with a Class 2A thread fit for standard dimensional accuracy and easy assembly. It is manufactured to meet ASME B18.2.1 specifications for hex cap screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are adhered to for industrial and international use.
