S-91794A218 2-64 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 from 18-8 stainless steel and passivated finish, ideal for harsh environments.
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term performance.
- Precise, secure fastening ensured by the 2-64 UNF fine thread and Class 2A fit, minimizing loosening under vibration.
- Easy installation and removal with a standard slotted drive and fully threaded design for straightforward assembly.
- Optimized head design featuring a high, narrow rounded fillister profile for a low-profile, flush fit in tight spaces.
- Broad regulatory compliance including ASME B18.6.3, RoHS 3, and REACH, ensuring safety and environmental standards are met.
- Right-hand threading for standard directional fastening, compatible with common industrial equipment.
Professional Applications & Engineering Value
This 2-64 UNF fine thread screw with a rounded fillister head is engineered to address critical industrial challenges, such as vibration-induced loosening and corrosion in demanding settings. Made from 18-8 stainless steel and featuring a passivated finish, it provides outstanding resistance to rust and chemicals, extending service life in applications like precision machinery, electronics assembly, and automotive components. The fine threading and Class 2A fit deliver tight tolerances for secure connections, while the slotted drive allows for quick tool engagement. Its narrow head profile ensures a compact installation, making it ideal for space-constrained designs where reliability and compliance with ASME B18.6.3 are paramount.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit per UNF standards, ensuring precise dimensional accuracy. It meets ASME B18.6.3 specifications for machine screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material integrity for industrial use.
