S-91375A285 12-24 x 5/8" 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 Alloy Steel construction, extending service life in harsh industrial environments
- Exceptional holding power from Rockwell C45 hardness, preventing deformation under high torque applications
- Precision alignment and secure fastening with Class 3A thread fit, minimizing vibration-induced loosening
- Easy installation in confined spaces using the 3/32" hex drive headless design
- Enhanced grip on shaft components through the cup point tip design, reducing slippage in mechanical assemblies
- Reliable performance in heavy-duty applications with coarse UNC threads, enabling quick assembly and disassembly
- Global compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards for safe international sourcing
Professional Applications & Engineering Value
Engineered for demanding mechanical systems, this 12-24 UNC set screw delivers critical security in power transmission and precision equipment. The Black-Oxide Alloy Steel construction provides a durable barrier against rust and chemical exposure, while the Rockwell C45 hardness maintains structural integrity under repetitive stress. Its headless hex drive design allows flush mounting in tight spaces where protruding fasteners are impractical. The cup point tip bites securely into shafts and collars, preventing rotational slip in pulleys, gears, and coupling assemblies. With coarse UNC threads and Class 3A fit, it ensures rapid installation and consistent clamping force in automotive, manufacturing, and industrial machinery applications where vibration resistance is paramount.
Specification Summary & Compliance
This set screw maintains precision Class 3A thread fit per UNC standards with 12-24 thread size and right-hand direction. Manufacturing complies with ASME B18.3 specifications (ASTM F912) for dimensional accuracy. The product is verified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to international environmental and safety regulations for industrial components.
