S-98164A449 8-32 x 7/16" 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 industrial environments
- High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing applications
- Precise thread engagement with Class 3A fit and UNC coarse threading ensuring secure fastening and vibration resistance
- Easy installation and removal using standard 3/32" hex drive for efficient assembly in confined spaces
- Full threading coverage along the 7/16" length provides maximum grip and uniform stress distribution
- Compliant with industry standards including ASME B18.3, RoHS 3, and REACH for guaranteed quality and safety
- Durable rounded button head design offers a low-profile finish while preventing surface damage during tightening
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 8-32 UNC screws in 316 Stainless Steel address critical challenges like corrosion in chemical processing, marine, or food-grade equipment. The passivated finish enhances surface durability, reducing pitting and extending service life in humid or saline conditions. With a Class 3A thread fit and coarse UNC threading, they ensure rapid installation and high resistance to loosening under dynamic loads. The hex drive and rounded head profile allow for secure torque application in tight assemblies, making them ideal for machinery, enclosures, and structural frameworks where reliability and compliance with ASME B18.3 are paramount.
Specification Summary & Compliance
This screw features precise Class 3A thread fit per UNC standards, with a diameter of 0.164" and coarse thread spacing for optimal performance. Manufacturing adheres to ASME B18.3 specifications, ensuring dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material integrity for global industrial supply chains.
