S-90585A065 3/8"-16 x 2 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
- Superior corrosion resistance with 316 Stainless Steel construction and passivated finish, ideal for harsh chemical and marine environments
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing performance
- Precision threading with Class 3A UNC coarse threads ensuring secure, vibration-resistant connections in demanding applications
- Easy installation and removal with 7/32" hex drive providing positive torque transmission and reduced tool slippage
- Full compliance with ASME B18.3 specifications and environmental regulations including RoHS 3 and REACH for global project acceptance
- Optimized head design with standard 82° countersink angle for flush mounting and improved aesthetic finish
- Versatile 2-3/4" length with full threading for maximum grip range across various material thicknesses
Professional Applications & Engineering Value
These 316 Stainless Steel flat head screws deliver critical performance advantages in corrosive and high-stress environments. The combination of Class 3A UNC coarse threading and fully threaded design provides superior pull-out resistance in soft materials while accommodating material expansion/contraction. The passivated finish enhances the natural corrosion resistance of 316 stainless, making these hex drive screws ideal for chemical processing equipment, marine hardware, and food processing machinery where frequent washdowns occur. With ASME B18.3 certification, engineers can specify these fasteners with confidence for structural applications requiring predictable performance and regulatory compliance.
Specification Summary & Compliance
Manufactured to ASME B18.3 specifications with Class 3A thread fit for precision tolerance. Features 3/8"-16 UNC coarse threads with right-hand direction and standard 82° flat head profile. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include 70,000 psi tensile strength and Rockwell B55 hardness for consistent performance in industrial applications.
