S-95345A490 6-32 x 1 1/2" ASME B18.13 Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer
Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
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.
- Vibration-resistant locking performance thanks to the integrated 410 stainless steel external-tooth lock washer, preventing loosening under dynamic loads.
- High-strength reliability with a tensile strength of 70,000 psi, ensuring durable and secure fastening in demanding applications.
- Effortless installation using a standard Phillips No. 2 drive, reducing assembly time and tooling complexity.
- Wide compatibility with UNC coarse threads and Class 2A fit, providing consistent engagement with common nut and tapped hole standards.
- Full-threaded design for maximum grip length and holding power along the entire screw shank.
- Regulatory peace of mind by complying with ASME B18.13, RoHS 3, and REACH, ensuring safety and environmental standards are met.
Professional Applications & Engineering Value
This Phillips pan head screw with external-tooth lock washer is engineered to solve critical vibration-induced loosening in machinery, electronics, and automotive assemblies. The 18-8 stainless steel material, enhanced by a passivated finish, provides excellent resistance to rust and chemical exposure, extending service life in humid or corrosive settings. The external-tooth lock washer, made from 410 stainless steel, bites into both the screw head and mounting surface, creating a secure lock that maintains clamp force under cyclic stresses. With its coarse UNC thread and fully threaded design, it ensures rapid installation and reliable performance in industrial fastening applications where disassembly is infrequent but integrity is paramount.
Specification Summary & Compliance
This fastener features a 6-32 UNC coarse thread with Class 2A thread fit for consistent dimensional accuracy. It is manufactured in compliance with ASME B18.13 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free from hazardous substances and suitable for global industrial use.
