S-93190A554 1/4"-20 x 3" 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
- Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
- High-strength performance with 70,000 psi tensile strength for reliable, heavy-duty applications
- Excellent durability and wear resistance ensured by Rockwell B70 hardness
- Easy and secure installation with a standard external hex drive and fully threaded UNC coarse thread design
- Precise thread fit with Class 2A tolerance for consistent engagement and reduced cross-threading risk
- Broad industrial compliance meeting ASME B18.2.1 standards, RoHS 3, and REACH regulations
- Versatile 3-inch length and right-hand thread for common assembly and maintenance tasks
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this 316 stainless steel hex head screw delivers exceptional corrosion resistance, making it ideal for marine, chemical processing, and outdoor applications where moisture and corrosive agents are prevalent. The UNC coarse thread and fully threaded design provide maximum grip and load distribution, reducing the risk of loosening under vibration. With a high tensile strength of 70,000 psi and external hex drive, it ensures quick, secure fastening in heavy machinery, structural assemblies, and equipment requiring reliable, long-term performance. Its compliance with ASME B18.2.1 guarantees dimensional accuracy and interchangeability, streamlining procurement and installation processes for engineers and maintenance teams.
Specification Summary & Compliance
This 1/4"-20 x 3" hex head screw features a Class 2A thread fit for precise dimensional tolerance, with UNC coarse threading and right-hand direction. Manufactured to ASME B18.2.1 specifications, it ensures consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible and safe industrial use.
