S-91613A454 1/4"-20 x 1/2" ASME B18.6.3 Stainless Steel Fillister Head Slotted Screws
Stainless Steel Fillister Head Slotted 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 with 316 stainless steel and passivated finish, ideal for harsh environments and extended service life.
- High tensile strength of 100,000 psi ensures reliable, secure fastening under demanding mechanical loads.
- Excellent thread engagement provided by coarse UNC threading and Class 2A fit, enabling quick assembly and vibration resistance.
- Optimized head design with a rounded fillister profile and slotted drive for easy installation and a low-profile, secure fit.
- Full threading along the 1/2" length allows for maximum adjustability and holding power in various material thicknesses.
- Compliance with major industry standards including ASME B18.6.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
- Consistent performance backed by Rockwell B100 hardness, providing durability and resistance to wear.
Professional Applications & Engineering Value
This 1/4"-20 UNC Rounded Fillister Head Slotted Screw in 316 Stainless Steel is engineered to address critical challenges in industrial settings where corrosion and mechanical stress are prevalent. The passivated finish significantly enhances its resistance to chemicals and moisture, making it suitable for marine, chemical processing, and food industry applications. Its coarse thread and Class 2A fit ensure rapid installation and reliable performance in materials prone to stripping, while the fully threaded design offers versatile fastening in assemblies requiring full-length engagement. By combining high tensile strength with regulatory compliance, this screw provides a dependable solution for engineers seeking longevity and safety in high-performance fastening systems.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC coarse thread with a Class 2A fit for precise dimensional accuracy. It is manufactured in accordance with ASME B18.6.3 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial uses.
