S-92210A302 10-32 x 1/2" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws
Stainless Steel Hex Drive Flat Head 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
- Exceptional thread precision with Class 3A fit ensures reliable, vibration-resistant fastening in critical assemblies
- High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for demanding mechanical applications
- Optimal torque transfer through 1/8" hex drive design, preventing cam-out and enabling secure installation
- Full threading along the 1/2" length provides maximum grip and load distribution across the entire fastener
- Standard 82° countersink angle allows for flush mounting in precision-machined components
- Regulatory compliance with ASME B18.3, RoHS 3, and REACH ensures material safety and international acceptance
Professional Applications & Engineering Value
These 10-32 UNF flat head screws deliver critical engineering value in precision assemblies where flush mounting and high-strength fastening are paramount. The 18-8 stainless steel material, enhanced by passivated surface treatment, provides excellent resistance to oxidation and chemical exposure, making these hex drive screws ideal for aerospace components, medical equipment, and electronic enclosures. The Class 3A thread fit and fine thread spacing ensure zero-backlash connections in vibration-prone applications, while the fully threaded design maximizes engagement in thin-section materials. These industrial-grade flat head screws solve common failure points by combining dimensional accuracy with material durability for long-term operational reliability.
Specification Summary & Compliance
This fastener maintains Class 3A thread fit per UNF standards with precise 10-32 thread size and 0.19" thread diameter. Manufacturing follows ASME B18.3 specifications for dimensional consistency, including 0.411" head diameter and 82° countersink angle. Compliance is verified with RoHS 3 (2015/863/EU) for hazardous substance restriction and REACH (EC 1907/2006) for chemical safety, ensuring global regulatory acceptance for industrial distribution and use.
