S-90585A215 6-32 x 5/8" 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 with 316 Stainless Steel construction and passivated finish, ideal for harsh environments like marine and chemical processing
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under high stress
- Precise thread engagement with Class 3A fit and UNC coarse threading, ensuring secure fastening and vibration resistance
- Efficient installation via 5/64" hex drive and standard 82° countersink angle for flush, tamper-resistant mounting
- Full thread coverage along the 5/8" length maximizes grip and distributes load evenly across joined materials
- Regulatory compliance with RoHS 3 and REACH standards, making them safe for global industrial and electronic applications
- Dimensional consistency per ASME B18.3 specifications, guaranteeing interchangeability and reducing assembly errors
Professional Applications & Engineering Value
These 6-32 UNC flat head screws in 316 Stainless Steel address critical needs in demanding sectors. The passivated finish enhances corrosion resistance, prolonging service life in moisture-rich settings like offshore equipment, food processing machinery, and chemical plants. The hex drive and 82° countersink facilitate quick, secure installations in tight spaces, preventing cam-out and ensuring a smooth surface finish. With a 70,000 psi tensile strength and Class 3A thread fit, they maintain joint integrity under dynamic loads, making them ideal for industrial assembly, automotive components, and electronic enclosures where reliability is paramount.
Specification Summary & Compliance
This screw adheres to ASME B18.3 dimensional standards, featuring a 6-32 UNC coarse thread with Class 3A fit for precise tolerance. The 5/8" length is fully threaded, and the head diameter is controlled within -0.044" to 0" tolerance. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and suitability for regulated industries.
