S-98625A108 1/4"-80 x 2 1/2" 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 Class 3A thread fit for precise, vibration-resistant fastening in critical assemblies.
- Excellent corrosion resistance provided by 303 Stainless Steel material, ideal for harsh or moist industrial environments.
- Easy installation and removal with a 3/32" hex drive, allowing for high torque application in confined spaces.
- Reduced surface damage thanks to the alloy steel ball tip, which minimizes marring on shafts and components.
- Reliable performance in fine-adjustment applications due to the 1/4"-80 ultra fine thread, ensuring secure positioning.
- Headless, low-profile design for use where clearance is limited and a flush finish is required.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and regulated use in various markets.
Professional Applications & Engineering Value
This 1/4"-80 ultra fine thread set screw is engineered to address common challenges in precision machinery and assembly. The 303 Stainless Steel construction offers reliable corrosion resistance, while the Class 3A thread fit and UNS thread type provide tight tolerances for minimal backlash and superior clamping force. The headless design with hex drive allows installation in tight spaces, and the alloy steel ball tip ensures firm contact without damaging shafts or gears. Ideal for applications like adjusting collars, securing pulleys, and positioning components in automotive, aerospace, and industrial equipment, this set screw delivers consistent performance and long-term durability under demanding conditions.
Specification Summary & Compliance
This set screw features a 1/4"-80 ultra fine thread with Class 3A fit per UNS standards, ensuring high precision and thread engagement. It measures 2 1/2" in length with a right-hand thread direction and includes a ball tip made of alloy steel. The product is manufactured to comply with RoHS 3 (2015/863/EU) with exemption 6(c) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial use.
