S-91781A063 1-64 x 1/8" 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
- Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments.
- High tensile strength of 80,000 psi provides secure fastening and resistance to mechanical stress in demanding applications.
- Precision Class 2A thread fit guarantees smooth installation and reliable engagement with mating components.
- Undercut flat head design allows for flush mounting, reducing protrusion and improving aesthetic finish.
- Full threading and coarse UNC thread enables quick assembly and strong holding power in various materials.
- Compliance with ASME B18.6.3 ensures consistent quality and interchangeability for industrial use.
- RoHS 3 and REACH compliance supports environmental regulations and safe usage in global markets.
Professional Applications & Engineering Value
These 1-64 UNC flat head slotted screws are engineered to address common industrial challenges such as vibration loosening and corrosion in machinery, electronics, and automotive assemblies. The 18-8 stainless steel material, combined with a passivated finish, offers superior resistance to oxidation and chemicals, extending service life in humid or corrosive settings. The undercut flat head and 82° countersink angle ensure a secure, flush fit that minimizes snagging and enhances safety. With a coarse thread and Class 2A fit, these screws provide quick, reliable fastening in metal, plastic, or wood substrates, reducing assembly time and maintenance costs for engineers and OEMs.
Specification Summary & Compliance
This product features precise Class 2A thread fit per UNC standards, with a thread size of 1-64 and length of 1/8". It meets ASME B18.6.3 specifications for dimensional accuracy and performance. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring adherence to environmental and safety regulations for industrial fasteners.
