S-97705A406 8-32 x 1/4" QQ-P-35, MS51021-32 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
- Superior corrosion resistance from 18-8 stainless steel construction for long-lasting performance in harsh environments
- Maximum holding power achieved through Class 3A precision thread fit ensuring secure, vibration-resistant fastening
- Easy installation and removal with 5/64" hex drive design requiring minimal clearance space
- Enhanced grip and security provided by cup tip design that creates positive seating on mating surfaces
- Reliable coarse threading with 8-32 UNC specification for quick assembly and reduced cross-threading risk
- Space-saving headless design ideal for applications where flush mounting is required
- Environmental compliance meeting RoHS 3 and REACH standards for safe industrial use
Professional Applications & Engineering Value
This 18-8 stainless steel hex headless set screw delivers exceptional engineering value in precision assembly applications where corrosion resistance and reliable clamping force are critical. The Class 3A thread fit ensures tight tolerances for vibration-prone environments, while the UNC coarse thread design facilitates rapid installation in production settings. The cup tip configuration provides concentrated point contact, preventing component slippage in machinery, automotive, and aerospace assemblies. Manufactured from 18-8 stainless steel, this fastener maintains integrity in humid or chemically aggressive conditions, solving common failure points in industrial equipment. The headless design with 5/64" hex drive allows installation in confined spaces where traditional fasteners cannot operate, making it ideal for precision instruments, motor mounts, and adjustable mechanisms requiring flush surface profiles.
Specification Summary & Compliance
This precision set screw features 8-32 UNC coarse threads with Class 3A fit for superior dimensional accuracy and thread engagement. The fastener complies with Fed. Spec. QQ-P-35 (MS51021-32) manufacturing standards and carries full RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for environmental safety. With a 1/4" length and 0.164" thread diameter, the component delivers consistent performance across industrial applications requiring reliable set screw functionality.
