S-93791A512 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 and black-oxide passivated finish, ideal for harsh environments.
- Exceptional thread precision and fit with Class 3A UNF fine threads, ensuring reliable, vibration-resistant connections.
- High mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
- Efficient installation and flush seating thanks to the standard 82° countersink angle and 1/8" hex drive.
- Full threading along the 1/2" length provides maximum grip and uniform load distribution.
- Compliance with major industrial standards including ASME B18.3, ensuring interchangeability and reliability.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance for global supply chain use.
Professional Applications & Engineering Value
These 10-32 UNF Class 3A flat head screws are engineered to address critical challenges in precision assembly and machinery. The 18-8 stainless steel construction, enhanced by a black-oxide passivated finish, combats corrosion and wear in industrial settings such as automotive, electronics, and outdoor equipment. The fine thread spacing and Class 3A fit deliver superior resistance to loosening under vibration, while the 82° countersink and hex drive enable quick, flush installations without protrusions. This combination ensures long-term reliability, reduces maintenance needs, and supports efficient production lines where consistent fastener performance is non-negotiable.
Specification Summary & Compliance
This product adheres to precise dimensional and performance criteria: Class 3A thread fit per UNF standards, 1/2" length with full threading, and a standard flat head profile. Manufacturing and material specifications comply with ASME B18.3. Environmental and safety regulations are met, including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming suitability for regulated industries.
