S-91794A081 2-56 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
- Exceptional corrosion resistance thanks to 18-8 stainless steel and a passivated finish, ensuring long-term reliability in harsh environments.
- High tensile strength of 70,000 psi provides secure, durable fastening for demanding industrial applications.
- Rockwell B55 hardness offers excellent resistance to wear and deformation, maintaining fastener integrity.
- Precision Class 2A thread fit ensures easy assembly and reliable performance with standard UNC coarse threads.
- Fully threaded 1/2" length allows for maximum grip and holding power across the entire fastener.
- Fillister head design with slotted drive facilitates straightforward installation and removal with standard tools.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees adherence to strict industrial and environmental standards.
Professional Applications & Engineering Value
These 2-56 UNC rounded head slotted screws are engineered to address critical challenges in precision assembly and corrosive environments. The 18-8 stainless steel material, combined with a passivated finish, provides superior resistance to oxidation and chemical exposure, making them ideal for electronics, instrumentation, and marine applications. The coarse UNC thread and Class 2A fit ensure quick, secure fastening with reduced cross-threading risks, while the fillister head offers a low-profile, high-strength design that distributes clamping force effectively. With a tensile strength of 70,000 psi, they deliver reliable performance in high-stress scenarios, from machinery to aerospace components, minimizing maintenance and replacement costs.
Specification Summary & Compliance
This product features a 2-56 UNC coarse thread with Class 2A precision fit and right-hand threading, ensuring dimensional accuracy per ASME B18.6.3 specifications. The fully threaded 1/2" length and rounded fillister head are manufactured to exacting standards, supporting consistent performance. Compliance is confirmed with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming environmental safety and industrial reliability.
