S-93923A351 4-40 x 3/16" ASME B18.6.3 Stainless Steel Pan Head Slotted Screws
Stainless Steel Pan Head 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
- Superior corrosion resistance with 316 Stainless Steel and passivated finish, ideal for harsh industrial environments and extended service life.
- High tensile strength of 80,000 psi ensures reliable fastening under heavy loads, reducing the risk of mechanical failure.
- Rockwell B85 hardness provides excellent durability and resistance to wear, maintaining thread integrity over repeated use.
- Class 2A thread fit offers consistent, easy assembly and disassembly while maintaining secure connections in various applications.
- Fully threaded design allows for maximum grip and adjustment flexibility, enhancing versatility in assembly processes.
- Compliance with ASME B18.6.3 standards guarantees precision manufacturing and interchangeability, ensuring reliable performance.
- RoHS 3 and REACH compliant for safe use in regulated industries, supporting environmental and health standards.
Professional Applications & Engineering Value
This 4-40 UNC slotted pan head screw in 316 Stainless Steel with a passivated finish addresses critical industrial challenges, such as corrosion in marine, chemical, and outdoor settings. The coarse thread and Class 2A fit enable quick, secure installations in materials prone to stripping, while the rounded pan head design distributes pressure evenly, reducing surface damage. Fully threaded for maximum holding power, it is ideal for machine assemblies, electronic enclosures, and equipment requiring high tensile strength and repeated maintenance. By meeting ASME B18.6.3 specifications, it ensures dimensional accuracy and reliability, minimizing downtime in demanding applications.
Specification Summary & Compliance
This screw features precise inch measurements, including a 4-40 UNC thread size with Class 2A thread fit for consistent performance. It adheres to ASME B18.6.3 manufacturing standards and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.
