S-91858A636 3/8"-16 x 3" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws
Stainless Steel Slotted 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 and extended service life.
- High tensile strength of 70,000 psi ensures reliable fastening under significant mechanical loads and vibration.
- Rockwell B80 hardness provides excellent durability and resistance to wear and deformation.
- Class 2A thread fit and UNC coarse threading offer easy installation and secure engagement in a wide range of materials.
- 82° countersink angle and flat head design allow for a flush, unobtrusive finish in countersunk applications.
- Partial threading provides unthreaded shank for precise clamping and alignment in assemblies.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 3/8"-16 UNC flat head screws in 316 Stainless Steel address critical challenges like corrosion, high stress, and regulatory compliance. The passivated finish enhances resistance to chemicals and moisture, making them ideal for marine, chemical processing, and food industry applications where exposure to corrosive elements is common. The coarse thread spacing and Class 2A thread fit ensure quick, reliable installation in various substrates, reducing assembly time and improving productivity. With a partially threaded design, they provide superior clamping force and prevent loosening under dynamic loads, offering long-term reliability in machinery, structural frameworks, and equipment manufacturing.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and UNC coarse threads per ASME B18.6.3 standards, ensuring dimensional accuracy and interchangeability. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for environmental safety, with a 3" length, 82° countersink angle, and slotted drive for consistent performance in industrial fastening applications.
