S-91794A085 2-56 x 7/8" 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 18-8 stainless steel construction and passivated finish, ideal for harsh environments.
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity and joint integrity under stress.
- Rockwell B55 hardness provides excellent durability and resistance to wear during installation and use.
- Class 2A thread fit with UNC coarse spacing allows for easy assembly and secure fastening in various materials.
- Fully threaded design maximizes grip and holding power along the entire 7/8" length.
- Rounded fillister head with slotted drive offers a low-profile, secure fit and straightforward manual installation.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards for industrial use.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 2-56 UNC rounded fillister head slotted screws address critical fastening challenges. The 18-8 stainless steel material combined with a passivated finish resists oxidation and chemical exposure, prolonging service life in moisture-prone or corrosive applications like electronics enclosures, machinery, and marine equipment. The coarse UNC thread and Class 2A fit ensure quick, vibration-resistant installation, reducing assembly time and minimizing loosening risks. With a high, narrow rounded head profile, these screws provide a flush fit in countersunk holes, enhancing aesthetics and safety in precision assemblies. Ideal for OEM and MRO uses, they deliver consistent performance where reliability and regulatory compliance are paramount.
Specification Summary & Compliance
This screw features precise Class 2A thread fit per UNC standards, with a diameter of 0.086" and coarse spacing for optimal engagement. Manufacturing adheres to ASME B18.6.3 specifications, ensuring dimensional accuracy and performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and suitable for global industrial supply chains.
