S-90604A329 1/4"-20 x 1 3/4" ASME B18.6.3 Stainless Steel Pan Head Combination Phillips/Slotted Screws
Stainless Steel Pan Head Combination Phillips/Slotted 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 thanks to 18-8 Stainless Steel construction and passivated finish, ideal for harsh environments.
- High tensile strength of 100,000 psi ensures reliable performance in demanding, heavy-duty applications.
- Rockwell B100 hardness provides excellent durability and resistance to wear over time.
- Dual Phillips/Slotted (No. 3) drive offers versatile installation options and reduces tool slippage.
- Coarse UNC thread with Class 2A fit enables quick assembly and secure fastening in a wide range of materials.
- Fully threaded 1 3/4" length allows for maximum grip and adjustability in various material thicknesses.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees product quality, safety, and environmental responsibility.
Professional Applications & Engineering Value
This 18-8 Stainless Steel Rounded Head Screw with a passivated finish is engineered to solve critical challenges in industrial settings, such as corrosion-induced failure and inconsistent fastening. The 1/4"-20 UNC coarse thread and Class 2A thread fit ensure rapid, secure installation in metal, wood, and plastic assemblies, reducing assembly time and improving joint integrity. Its high tensile strength and Rockwell B100 hardness make it suitable for heavy-duty applications in machinery, automotive, and construction, where vibration resistance and long-term reliability are paramount. The Phillips/Slotted drive accommodates common tools, enhancing usability in maintenance and production lines.
Specification Summary & Compliance
This screw features precise Class 2A thread fit per UNC standards, ensuring dimensional accuracy and interchangeability. It is manufactured in compliance with ASME B18.6.3 for mechanical and dimensional requirements. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and environmentally safe for industrial use.
