S-92949A203 8-32 x 1 1/2" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws
Stainless Steel Button Head Hex-Drive 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 construction and passivated finish, ideal for harsh industrial environments.
- High-strength reliability offering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
- Precise thread engagement with Class 3A fit and UNC coarse threads, ensuring secure fastening and vibration resistance.
- Easy installation and removal using a standard 3/32" hex drive, reducing assembly time and tool wear.
- Full threading along the 1-1/2" length provides consistent grip and load distribution across the entire fastener.
- Compliant with major standards including ASME B18.3, RoHS 3, and REACH, guaranteeing safety and regulatory adherence.
- Rounded button head design offers a low-profile, snag-free finish that enhances safety and aesthetics.
Professional Applications & Engineering Value
This 8-32 UNC screw is engineered for industrial assemblies where corrosion resistance and mechanical strength are critical. The 18-8 stainless steel material, combined with a passivated finish, effectively resists oxidation and chemical exposure, extending service life in machinery, electronics, and outdoor equipment. The fully threaded design and Class 3A thread fit ensure tight tolerances and reliable performance in high-vibration environments, reducing the risk of loosening. Its hex drive and rounded head facilitate quick installation in confined spaces, making it a versatile choice for OEMs and maintenance teams seeking durable, compliant fastening solutions.
Specification Summary & Compliance
This screw adheres to precise dimensional standards with a Class 3A thread fit and UNC coarse thread spacing, manufactured in compliance with ASME B18.3. It meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free from hazardous substances. The specifications cover a length of 1-1/2", full threading, and right-hand direction, providing consistent quality for industrial use.
