S-90079A251 10-24 x 1 1/2" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced grip and torque application with knurled head texture for secure hand-tightening without tools
• Superior corrosion resistance provided by black-oxide steel finish for extended service life in industrial environments
• Optimized thread engagement through UNC coarse threading and 1 1/8" thread length for maximum holding power
• Quick installation and alignment with extended tip design that guides screws accurately into mating components
• Reliable mechanical performance with Class 2A thread fit ensuring consistent assembly quality
• Broad compatibility with right-hand thread direction and standard 10-24 UNC thread size for versatile applications
• Environmental compliance assurance meeting RoHS 3 standards for responsible manufacturing practices

Professional Applications & Engineering Value

Engineered for industrial applications requiring frequent adjustments and secure fastening, this black-oxide steel thumb screw delivers exceptional durability and user convenience. The knurled head provides positive grip even with oily hands or gloves, eliminating the need for tools in maintenance-heavy environments. Its UNC coarse threading ensures rapid installation and superior resistance to vibration loosening in machinery, electronic enclosures, and assembly fixtures. The extended tip design facilitates precise alignment during initial engagement, reducing cross-threading risks and assembly time. Manufactured from robust black-oxide steel, these thumb screws maintain performance in demanding conditions while the RoHS 3 compliance addresses environmental regulations without compromising mechanical integrity.

Specification Summary & Compliance

This thumb screw features precision UNC 10-24 coarse threading with Class 2A thread fit tolerances for consistent performance. The partially threaded design with 1 1/8" thread length and 1 1/2" overall length provides optimal engagement characteristics. Manufacturing complies with RoHS 3 (2015/863/EU) regulations under exemption 6(a)-I for lead as an alloying element in steel, ensuring environmental responsibility while maintaining material performance standards.