S-91781A430 00-90 x 1/4" ASME B18.11, 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 18-8 stainless steel and passivated finish for long-lasting performance in harsh environments.
- Exceptional tensile strength rated at 80,000 psi ensures reliable fastening under high-stress industrial conditions.
- Precision thread fit with Class 2A fine threads (UNS 00-90) provides secure, vibration-resistant connections.
- Full threading design along the 1/4" length offers maximum grip and uniform load distribution.
- Standard 82° countersink angle allows for a flush, low-profile installation in tapered seats.
- Slotted drive compatibility enables easy installation and removal with common hand tools.
- Compliance with major industry standards including ASME B18.11, RoHS 3, and REACH for assured quality and safety.
Professional Applications & Engineering Value
This 00-90 flat head slotted screw is engineered to address critical challenges in precision assembly and corrosive environments. Made from 18-8 stainless steel with a passivated finish, it resists oxidation and chemical exposure, making it ideal for electronics, instrumentation, and marine applications. The fine thread and Class 2A fit ensure tight, secure fastening in thin materials, reducing the risk of loosening under vibration. Its fully threaded 1/4" length and 82° flat head provide a seamless, low-profile fit, essential for assemblies where space and aesthetics matter. Trust this screw for durable, reliable performance in demanding industrial screws applications.
Specification Summary & Compliance
This screw features a 00-90 UNS fine thread with Class 2A thread fit for precise dimensional accuracy. It is manufactured in compliance with ASME B18.11 standards, ensuring consistent quality and interchangeability. Environmental and safety regulations are met, including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free of hazardous substances and suitable for global industrial use.
