S-91410A741 1/4"-20 x 7/8" ASME B18.6.2 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
- Maximum holding power with coarse UNC threads and Class 2A fit for reliable fastening in demanding applications
- Exceptional durability provided by steel construction with Rockwell B80 hardness for long service life
- Secure installation enabled by square head design with external square drive for positive tool engagement
- Industry-standard compatibility with 1/4"-20 UNC thread specification for broad application use
- Environmental compliance meeting RoHS 3 and REACH regulations for safe industrial usage
- Precision manufacturing ensuring consistent performance through ASME B18.6.2 specification compliance
- Right-hand thread design for standard installation procedures and operator familiarity
Professional Applications & Engineering Value
This 1/4"-20 UNC Class 2A steel set screw delivers critical engineering solutions for industrial assembly challenges. The coarse thread spacing provides superior resistance to vibration loosening in machinery, power transmission systems, and manufacturing equipment. The square head design with external square drive ensures maximum torque application without stripping, while the Rockwell B80 hardness maintains structural integrity under repeated stress. The 7/8" length offers optimal engagement depth for secure positioning of components in automotive, aerospace, and heavy equipment applications. Manufactured to ASME B18.6.2 standards, this set screw provides reliable performance where precision alignment and permanent fastening are required.
Specification Summary & Compliance
This set screw features Class 2A thread fit per UNC standards, ensuring proper clearance and manufacturing consistency. The 1/4"-20 UNC coarse thread specification provides industry-standard compatibility, while the 7/8" length maintains dimensional accuracy. Manufacturing compliance with ASME B18.6.2 guarantees precise dimensional control and performance reliability. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations for environmental safety and restricted substance control.
