S-94355A218 5-40 x 5/32" ASME B18.3 Set Screws
Set 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 holding power with Class 3A thread fit for secure, vibration-resistant fastening in demanding applications.
- Corrosion-resistant 18-8 Stainless Steel construction ensures long-term durability and reliability in harsh industrial environments.
- Compact 1/16" hex drive headless design allows for easy installation in tight spaces without protruding components.
- High Rockwell B80 hardness provides superior wear resistance and maintains thread integrity under repeated use.
- Coarse UNC threads enable quick assembly and disassembly, reducing labor time and improving efficiency.
- Flat tip design offers precise contact and minimal surface damage for sensitive components.
- Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards for global supply chains.
Professional Applications & Engineering Value
This 5-40 UNC Class 3A set screw is engineered to address common industrial challenges such as component slippage and corrosion-induced failure. Made from 18-8 Stainless Steel with a Rockwell B80 hardness, it resists rust and wear in machinery, automotive, and electronics assemblies. The headless design with a 1/16" hex drive ensures flush mounting in confined areas, while the coarse thread and flat tip provide reliable grip without marring surfaces. Ideal for securing shafts, gears, and pulleys, this screw enhances assembly integrity and reduces maintenance needs in industrial applications, supported by ASME B18.3 specifications for consistent performance.
Specification Summary & Compliance
This set screw features a 5-40 UNC coarse thread with Class 3A fit for precise dimensional accuracy, ensuring tight tolerances per ASME B18.3 standards. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for environmentally conscious industries. The manufacturing adheres to strict thread and material specifications, providing reliability in mechanical assemblies.
