S-91375A732 1/2"-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 coating, extending service life in demanding industrial environments.
- Exceptional thread precision with Class 3A UNF fine threads, ensuring reliable, vibration-resistant, and secure fastening.
- High-strength performance from alloy steel and Rockwell C45 hardness, providing excellent load-bearing capacity and durability.
- Secure and flush installation with a headless design and cup tip, ideal for applications requiring a smooth surface and positive seating.
- Easy installation and removal using a standard 1/4" hex drive, simplifying maintenance and assembly processes.
- Broad compliance and reliability, meeting ASME B18.3 specifications and being RoHS 3 and REACH compliant for safe, global use.
- Optimized for fine adjustments with right-hand fine threads, offering precise positioning in machinery and equipment.
Professional Applications & Engineering Value
This Black-Oxide Alloy Steel Set Screw is engineered to address critical challenges in industrial assembly, such as vibration loosening and corrosion. Its Class 3A UNF fine threads provide a tighter fit and superior resistance to dynamic loads, making it ideal for precision machinery, automotive components, and aerospace applications where secure fastening is paramount. The headless design with a cup tip ensures a flush mount, preventing interference in compact spaces while the 1/4" hex drive allows for efficient torque application. Combined with Rockwell C45 hardness, this screw maintains integrity under stress, reducing maintenance needs and enhancing the longevity of industrial equipment.
Specification Summary & Compliance
This set screw adheres to Class 3A thread fit for high precision and UNF fine thread standards (1/2"-20). It is manufactured in compliance with ASME B18.3 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and reliability for global industrial use.
