S-91375A837 3/4"-10 x 1 1/4" 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 from the Black-Oxide finish, extending service life in harsh industrial environments.
- Exceptional holding power with Class 3A thread fit, ensuring precise, vibration-resistant assemblies.
- High-strength durability provided by Alloy Steel and Rockwell C45 hardness, resisting wear and deformation.
- Secure and efficient installation with the 3/8" hex drive, allowing for high torque application without slippage.
- Reliable positioning and locking due to the cup tip design, which minimizes surface damage to the mating component.
- Broad compatibility with coarse (UNC) threads, facilitating quick assembly in various industrial applications.
- Compliance with major standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
Professional Applications & Engineering Value
This Black-Oxide Alloy Steel set screw is engineered for demanding applications where vibration resistance and corrosion protection are critical. The headless design and cup tip allow for flush mounting and secure component locking without marring surfaces, ideal for machinery, automotive, and aerospace assemblies. Its 3/4"-10 UNC coarse thread and Class 3A fit provide excellent engagement in metals and plastics, reducing the risk of loosening under dynamic loads. The hex drive ensures easy installation in confined spaces, enhancing efficiency in production lines and maintenance tasks where reliability is paramount.
Specification Summary & Compliance
This set screw adheres to ASME B18.3 specifications, with precise Class 3A thread fit for tight tolerances and consistent performance. It features a 3/4"-10 UNC coarse thread with right-hand direction and is manufactured from Alloy Steel with a Rockwell C45 hardness for strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use worldwide.
