S-96562A923 4-40 x 1 1/2" ASME B18.6.3 Thread-Locking Stainless Steel Pan Head Phillips Screws
Thread-Locking Stainless Steel Pan Head Phillips 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
- Vibration-resistant locking with nylon patch thread locker prevents loosening in dynamic applications, maintaining secure connections.
- Exceptional corrosion resistance from 18-8 stainless steel and passivated finish ensures longevity in harsh or humid environments.
- High tensile strength of 60,000 psi provides reliable load-bearing capacity for demanding industrial assemblies.
- Wide temperature tolerance (-70° to 250°F) allows consistent performance in extreme thermal conditions.
- Easy installation and removal with Phillips No. 1 drive and rounded pan head design, reducing assembly time.
- Precise thread engagement with Class 2A fit and UNC coarse threads ensures quick, accurate fastening.
- Full threading along the 1-1/2" length offers maximum grip and adjustability in various material thicknesses.
Professional Applications & Engineering Value
These 18-8 stainless steel rounded head screws are engineered to address common industrial challenges such as vibration-induced loosening and environmental degradation. The nylon patch thread locker embedded in the UNC coarse threads creates a durable, chemical-resistant bond that remains stable across a broad temperature range from -70° to 250°F. Ideal for machinery, electronic enclosures, and outdoor equipment, the Phillips No. 1 drive and pan head profile facilitate quick servicing while the passivated finish enhances corrosion resistance in moist or chemical-exposed settings. By combining high tensile strength with secure locking features, these screws reduce maintenance frequency and improve assembly reliability in industrial fastening applications.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit tolerances per UNC standards, ensuring precise dimensional accuracy. Manufacturing and quality comply with ASME B18.6.3 specifications, and the product is verified as RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety regulations for global industrial use.
