S-90316A549 1/4"-20 x 1 1/2" ASME B18.6.3 Stainless Steel Flanged Hex Head Screws with Slotted Drive
Stainless Steel Flanged Hex Head Screws with Slotted Drive
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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
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength of 100,000 psi ensures reliable, long-lasting fastening under high-stress conditions
- Enhanced load distribution from the integrated flange design, reducing surface pressure and preventing loosening
- Quick and easy installation with UNC coarse threads and external hex drive, minimizing assembly time
- Precise thread fit with Class 2A tolerance for consistent engagement and reduced cross-threading risks
- High durability backed by Rockwell B100 hardness, maintaining integrity through repeated use
- Regulatory compliance with ASME B18.6.3, RoHS 3, and REACH, ensuring safety and environmental standards
Professional Applications & Engineering Value
This 18-8 stainless steel hex head screw is engineered to address common industrial challenges, such as vibration-induced loosening and corrosion in demanding applications. The flanged design provides a wider bearing surface, distributing clamp load effectively to protect softer materials and maintain joint integrity. With UNC coarse threads and a 1/4"-20 thread size, it offers rapid installation in machinery, structural assemblies, and outdoor equipment where speed and reliability are critical. The external hex drive allows for high torque application, making it suitable for heavy-duty fastening in construction, automotive, and manufacturing sectors. Its fully threaded body ensures maximum grip length, enhancing pull-out resistance in dynamic load conditions.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and ease of assembly. It meets ASME B18.6.3 manufacturing standards, ensuring consistent quality and performance. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial uses.
