S-92695A712 2-56 x 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 holding power with Class 3A thread fit ensuring precise, vibration-resistant connections in demanding applications
- Enhanced corrosion resistance from black-oxide coating on alloy steel, extending service life in industrial environments
- High-strength durability with Rockwell C45 hardness providing reliable performance under mechanical stress
- Secure installation using 0.035" hex drive in headless design, allowing flush mounting and tamper-resistant fastening
- Quick assembly with coarse UNC threads and 90° cone point for easy penetration and firm seating in materials
- Industry compliance meeting ASME B18.3 specifications for consistent quality and dimensional accuracy
- Environmental responsibility through RoHS 3 and REACH compliance, ensuring safe use in regulated industries
Professional Applications & Engineering Value
This black-oxide alloy steel set screw delivers exceptional engineering value in precision assemblies where space constraints and vibration resistance are critical. The headless hex drive design enables flush mounting in pulleys, gears, and collars while the 2-56 UNC coarse thread with Class 3A fit provides superior engagement in softer materials and faster installation. The 90° cone point creates positive seating and prevents loosening under dynamic loads, making it ideal for industrial machinery, automotive components, and electronic enclosures requiring reliable positioning. Combined with Rockwell C45 hardness, this set screw maintains clamping force in high-stress applications while the corrosion-resistant black-oxide finish ensures long-term performance in challenging environments.
Specification Summary & Compliance
This set screw features precision 2-56 UNC coarse threads with Class 3A fit tolerance for optimal engagement, manufactured to ASME B18.3 specifications ensuring dimensional consistency. The 1/4" length and 0.086" thread diameter provide standardized sizing for interchangeable use. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety, while the Rockwell C45 hardness rating guarantees mechanical performance meeting industrial fastening requirements.
