S-97654A632 1/4"-28 x 3/4" Stainless Steel Flanged Button Head Hex-Drive Screws
Stainless Steel Flanged Button Head Hex-Drive 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 for extended service life in harsh environments
- Precise thread engagement with Class 3A fit and UNF fine threading ensures vibration-resistant, secure fastening in critical applications
- High tensile strength rating of 70,000 psi provides reliable load-bearing capacity for demanding industrial assemblies
- Enhanced driving efficiency through hex drive design prevents cam-out and enables high-torque installation
- Integrated flange design eliminates need for separate washers while distributing clamp force over wider surface area
- Consistent hardness at Rockwell B70 maintains structural integrity through repeated installation cycles
- Full regulatory compliance with RoHS 3 and REACH standards ensures environmental responsibility and global market acceptance
Professional Applications & Engineering Value
Engineered for precision industrial assemblies where vibration resistance and corrosion protection are critical, these 18-8 stainless steel rounded head screws deliver exceptional performance in demanding environments. The Class 3A thread fit combined with UNF fine threading creates superior clamping force retention in machinery, electronic enclosures, and automotive components subject to dynamic loads. The passivated finish enhances the natural corrosion resistance of stainless steel, making these hex drive screws ideal for outdoor equipment, marine applications, and chemical processing facilities. The integrated flanged design streamlines installation while providing superior bearing surface, reducing component count in assembly operations.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 3A thread fit tolerance and UNF fine thread specification (1/4"-28). Features include fully threaded design, right-hand thread direction, and 0.563" flange diameter. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring unrestricted use across global markets. Mechanical properties include 70,000 psi tensile strength and Rockwell B70 hardness for consistent performance in industrial fastening applications.
