S-91943A564 5/16"-18 x 1" 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 for extended service life in demanding industrial environments
- Enhanced holding power through Rockwell C39 hardness rating ensuring reliable, vibration-resistant fastening
- Permanent swivel tip design maintains 9° angular adjustment capability without component separation
- Precision Class 2A thread fit provides consistent engagement and reduced assembly time
- Headless hex drive configuration allows for flush mounting in space-constrained applications
- Coarse UNC threading enables quick installation and superior resistance to vibration loosening
- Full regulatory compliance with RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
This black-oxide alloy steel set screw delivers exceptional engineering value in applications requiring precise component positioning and reliable torque transmission. The permanent swivel tip with 9° maximum angular adjustment accommodates minor misalignments while maintaining constant pressure distribution, effectively preventing fretting corrosion and component damage. The UNC coarse thread configuration combined with Class 2A thread fit ensures rapid installation in production environments while providing superior resistance to vibrational loosening in machinery, power transmission systems, and precision equipment. The headless hex drive design enables flush mounting in pulleys, gears, and collars where protruding fasteners would interfere with adjacent components.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerance for consistent performance. Features 5/16"-18 UNC coarse threads with right-hand direction and 5/32" hex drive configuration. The alloy steel construction with black-oxide surface treatment provides enhanced corrosion protection. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial applications worldwide.
