S-98625A100 1/4"-80 x 2 1/4" 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 holding power with ultra-fine 1/4"-80 thread spacing and Class 3A fit for minimal backlash and reliable positioning in precision assemblies.
- Enhanced durability and corrosion resistance from the 303 stainless steel body, ideal for harsh industrial environments.
- Secure, tamper-resistant installation using the 3/32" hex drive, providing a flush, headless design for clean finished products.
- Increased grip and reduced component damage thanks to the alloy steel ball tip, which concentrates force for superior clamping without marring surfaces.
- Right-hand thread direction ensures standard, intuitive installation for efficient assembly line operations.
- Compliance with environmental regulations, including RoHS 3 and REACH, making it suitable for global supply chains and sensitive applications.
- Versatile 2 1/4" length accommodates various shaft depths, offering flexibility in design and application.
Professional Applications & Engineering Value
This precision set screw is engineered to address critical challenges in high-vibration and fine-adjustment scenarios. The 303 stainless steel construction resists corrosion, while the ultra-fine thread and Class 3A fit provide exceptional clamping force and positional accuracy, preventing loosening in dynamic loads. The headless design with hex drive allows for flush mounting in tight spaces, reducing protrusion risks. The alloy steel ball tip ensures maximum contact and minimal surface damage, making it ideal for securing gears, pulleys, and collars in machinery, automotive, and aerospace assemblies where reliability is non-negotiable.
Specification Summary & Compliance
This set screw adheres to UNS thread standards with a Class 3A thread fit for high precision and tight tolerances. It features a right-hand thread direction and ultra-fine thread spacing of 1/4"-80. The product is manufactured to be RoHS 3 (2015/863/EU) compliant with exemption 6(c) and REACH (EC 1907/2006) compliant, ensuring it meets stringent environmental and safety regulations for industrial use.
