S-91381A735 5/8"-11 x 1 1/2" 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 corrosion resistance with black-oxide coating on alloy steel for extended service life in harsh environments
- Maximum holding power with Class 3A thread fit ensuring tight, vibration-resistant fastening in demanding applications
- Surface protection through brass soft tip design that prevents damage to mating components during installation
- High-strength performance with Rockwell C28 hardness rating for reliable, long-term fastening under heavy loads
- Easy installation and removal with 5/16" hex drive providing secure tool engagement in confined spaces
- Industry-standard compatibility with 5/8"-11 UNC coarse threads for quick assembly and replacement
- Regulatory compliance assurance meeting ASME B18.3 specifications and RoHS/REACH environmental standards
Professional Applications & Engineering Value
This black-oxide alloy steel set screw delivers exceptional engineering value in industrial applications where vibration resistance and surface protection are critical. The headless design with hex drive allows for flush mounting in tight spaces while maintaining high torque capability. The brass soft tip eliminates marring and damage to precision components, making it ideal for machinery, automotive, and manufacturing equipment where repeated adjustments are necessary. With Class 3A thread fit and UNC coarse threading, this fastener provides reliable positioning and clamping force in high-stress environments, solving common challenges of component slippage and surface degradation in heavy-duty applications.
Specification Summary & Compliance
This set screw features precision 5/8"-11 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy and tight tolerances. Manufactured to ASME B18.3 specifications, the fastener ensures consistent performance and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest industry standards for safe and sustainable manufacturing practices.
