S-93791A423 3/8"-16 x 3/4" 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
- Exceptional corrosion resistance with 18-8 stainless steel construction and black-oxide passivated finish, ideal for harsh industrial environments
- Superior tensile strength rated at 70,000 psi for reliable performance in heavy-duty applications
- Precise Class 3A thread fit ensures secure, vibration-resistant fastening with minimal risk of loosening
- Fully threaded design provides maximum grip and load distribution across the entire fastener length
- 82° countersink angle allows for flush mounting, reducing snagging and improving aesthetics
- Hex drive compatibility with 7/32" drive size enables efficient installation using standard tools
- Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards
Professional Applications & Engineering Value
These 3/8"-16 UNC flat head screws are engineered to solve critical fastening challenges in demanding industrial settings. The 18-8 stainless steel material, combined with a black-oxide passivated finish, provides excellent resistance to corrosion and oxidation, making them suitable for outdoor machinery, marine equipment, and chemical processing plants. The coarse thread spacing and Class 3A thread fit ensure quick assembly and reliable holding power, reducing maintenance downtime. With a Rockwell B55 hardness and 70,000 psi tensile strength, they withstand high-stress applications in construction, automotive, and aerospace industries, while the fully threaded design and 82° countersink enable seamless integration into metal, wood, and composite materials.
Specification Summary & Compliance
This product features a 3/8"-16 UNC thread with Class 3A precision tolerance and coarse thread spacing for optimal performance. It complies with ASME B18.3 manufacturing standards, ensuring dimensional accuracy and reliability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its environmental and safety compliance for global industrial use.
