S-90585A299 10-32 x 2" ASME B18.3, ASTM F879 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 in harsh environments due to 316 stainless steel construction and passivated finish
- Exceptional thread engagement and vibration resistance with Class 3A fine UNF threading for precise, reliable fastening
- High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
- Flush mounting capability with standard 82° flat head profile for clean, aerodynamic surfaces
- Easy installation and high torque transmission via 1/8" hex drive, reducing tool slippage
- Full-length threading ensures maximum grip along the entire 2" length for versatile positioning
- Regulatory compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards for global industrial use
Professional Applications & Engineering Value
This 316 stainless steel flat head screw delivers critical performance in corrosive or high-stress environments where fastener failure is not an option. The combination of UNF fine threading and Class 3A thread fit provides superior vibration resistance compared to coarse thread alternatives, making it ideal for precision equipment, marine components, and chemical processing applications. The passivated finish enhances the natural corrosion resistance of 316 stainless steel, extending service life in saltwater, chemical exposure, and outdoor conditions. With full threading along its 2" length, engineers gain flexibility in attachment depth while maintaining consistent clamping force. The flat head design with 82° countersink creates seamless surfaces in assembled products, preventing snagging while maintaining structural integrity under the 70,000 psi tensile strength rating.
Specification Summary & Compliance
This fastener maintains precision Class 3A thread fit tolerances per UNF specifications with 10-32 thread size and fully threaded design. Manufacturing complies with ASME B18.3 standards where applicable per ASTM F879. The screw is certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant regarding restricted substances. Dimensional specifications include 2" length, 0.411" head diameter with -0.052" to 0" tolerance, and 1/8" hex drive size.
