S-92695A307 1/4"-20 x 3/4" ASME B18.3, ASTM F912 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 with black-oxide finish, extending service life in harsh environments.
- Exceptional holding power from Class 3A thread fit, ensuring secure, vibration-resistant fastening.
- High-strength durability with Rockwell C45 hardness alloy steel, resisting wear in demanding applications.
- Easy installation and removal using the 1/8" hex drive, allowing efficient maintenance with standard tools.
- Reliable positioning due to the 90° cone point, providing precise component alignment and grip.
- Broad compatibility with UNC coarse threads, facilitating quick assembly and interchangeability.
- Compliance with industry standards including ASME B18.3, ensuring consistent quality and safety.
Professional Applications & Engineering Value
This black-oxide alloy steel set screw is engineered to address critical industrial challenges such as component slippage and corrosion in machinery. Its Class 3A UNC coarse thread delivers tight tolerances for maximum clamping force, reducing the risk of loosening under vibration in applications like motor shafts, gears, and pulleys. The headless design with a cone point allows for flush mounting and precise axial positioning, while the Rockwell C45 hardness ensures long-term reliability in high-stress environments. Ideal for industrial set screws use in automotive, manufacturing, and heavy equipment, it combines robust material properties with a right-hand thread for straightforward installation, enhancing operational efficiency and minimizing downtime.
Specification Summary & Compliance
This set screw features precise Class 3A thread fit with 1/4"-20 UNC coarse thread and a length of 3/4", adhering to ASME B18.3 specifications for dimensional accuracy. It is manufactured from alloy steel with a black-oxide surface treatment and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial markets.
