S-91794A550 1/4"-20 x 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 18-8 Stainless Steel construction and passivated finish, ideal for harsh industrial environments
- Excellent mechanical strength delivering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-lasting fastening
- Optimized drive engagement with slotted fillister head design providing secure tool grip and reduced cam-out risk
- Precise thread compatibility featuring UNC coarse 1/4-20 threading with Class 2A fit for consistent engagement and vibration resistance
- Full-threaded design ensuring maximum grip length and uniform load distribution across the entire 2" length
- High, narrow rounded head profile offering improved clearance and sleek appearance for finished applications
- Regulatory compliance assurance meeting ASME B18.6.3 specifications while being RoHS 3 and REACH compliant
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this rounded fillister head slotted screw combines 18-8 Stainless Steel material with a passivated finish to solve critical corrosion and strength challenges in machinery assembly, electrical enclosures, and precision equipment. The high, narrow head profile provides superior clearance in tight spaces while maintaining aesthetic appeal. With UNC coarse threading and Class 2A thread fit, it ensures rapid installation and reliable performance in high-vibration environments. The fully threaded design across its 2" length maximizes thread engagement, distributing stress evenly to prevent joint failure under 70,000 psi tensile loads.
Specification Summary & Compliance
This 1/4-20 x 2" rounded head slotted screw features precision UNC coarse threading with Class 2A thread fit tolerances, manufactured to ASME B18.6.3 specifications. The screw maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors while delivering consistent dimensional accuracy and mechanical performance.
