S-90289A335 10-32 x 1/8" ASME B18.3 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 locking security with serrations that bite into mating parts, preventing loosening under vibration and dynamic loads
- Exceptional corrosion resistance from the black-oxide finish, extending service life in demanding industrial environments
- High-strength performance ensured by Rockwell C45 hardness and alloy steel construction for reliable, repeated use
- Precise thread engagement with 10-32 UNF Class 3A fine threads, offering excellent clamp load and vibration resistance
- Space-saving headless design with a 3/32" hex drive, ideal for applications with limited clearance
- Secure component positioning via the cup tip, which provides concentrated contact pressure for firm holding
- Broad industry compliance meeting ASME B18.3, RoHS 3, and REACH, ensuring material safety and standardization
Professional Applications & Engineering Value
This black-oxide alloy steel set screw is engineered to address critical challenges in precision assembly and machinery. Its 10-32 UNF Class 3A fine threads deliver high clamping force and superior resistance to vibrational loosening, making it ideal for securing collars, gears, and pulleys on shafts in automotive, aerospace, and manufacturing equipment. The headless design with a 3/32" hex drive allows installation in confined spaces, while the serrations locking mechanism ensures the screw remains firmly in place under high-stress conditions. Combined with a corrosion-resistant black-oxide coating, this fastener provides long-term reliability in harsh environments, reducing maintenance needs and downtime.
Specification Summary & Compliance
This set screw features a 10-32 UNF Class 3A thread with fine spacing, ensuring precise fit and high load capacity. It complies with ASME B18.3 standards for dimensional accuracy and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for industrial use.
