S-98164A461 10-32 x 1 1/4" 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 316 stainless steel construction and passivated finish, ideal for harsh environments and chemical exposure
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under high stress
- Precise thread engagement with Class 3A fine UNF threads ensuring secure, vibration-resistant fastening in critical assemblies
- Efficient installation and removal using the 1/8" hex drive, providing excellent torque transmission without cam-out
- Optimized head design with a rounded button profile offering a low-profile, finished appearance while distributing clamp load effectively
- Full threading along the 1 1/4" length allows for maximum adjustability and grip in a wide range of material thicknesses
- Regulatory peace of mind with compliance to ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental standards are met
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 10-32 UNF screws in 316 stainless steel address critical challenges like corrosion in marine, chemical processing, and food-grade environments. The passivated finish enhances surface durability, while the Class 3A thread fit and fine thread spacing provide superior resistance to loosening under vibration, making them ideal for precision machinery, electronic enclosures, and structural assemblies. The combination of high tensile strength and a rounded head with hex drive ensures reliable fastening in tight spaces, reducing maintenance needs and extending service life in corrosive or high-stress conditions.
Specification Summary & Compliance
This rounded head screw features a 10-32 UNF thread with Class 3A precision tolerance, fully threaded along a 1 1/4" length. It is manufactured in accordance with ASME B18.3 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to industry and environmental standards for safe, reliable use.
