S-94105A387 3/8"-24 x 1 1/2" 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
- Precise Class 3A thread fit ensures tight, secure fastening with minimal backlash in critical assemblies
- Exceptional mechanical strength from Rockwell C45 hardened alloy steel, providing reliable holding power under heavy loads
- Space-saving headless design allows flush mounting where clearance is limited
- Enhanced torque transmission through 3/16" hex drive, preventing tool slippage during installation
- Fine UNF thread profile delivers improved vibration resistance and superior clamping force distribution
- Full regulatory compliance with RoHS 3 and REACH standards, ensuring environmental responsibility
Professional Applications & Engineering Value
This black-oxide alloy steel set screw addresses critical engineering challenges in precision machinery and heavy-duty equipment. The Class 3A thread fit combined with UNF fine threading provides exceptional resistance to vibrational loosening, making it ideal for rotating components, motor mounts, and precision alignment systems. The Rockwell C45 hardness ensures the flat tip maintains its form under repeated adjustment cycles, while the corrosion-resistant coating protects against industrial atmospheres and lubricants. The headless hex drive design enables installation in confined spaces where traditional fasteners cannot operate, solving clearance issues in compact assemblies while maintaining high torque capability through the 3/16" drive.
Specification Summary & Compliance
Manufactured to ASME B18.3 specifications with Class 3A thread fit precision and 3/8"-24 UNF fine threads. The 1 1/2" length provides optimal engagement depth for secure fastening. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest industry standards for hazardous substance restrictions. The black-oxide surface treatment on alloy steel substrate ensures consistent performance across industrial applications.
