S-90017A251 10-24 x 1" Thumb Screws

Key Features & Benefits at a Glance

• Tool-free manual operation with rectangular thumb head design for secure grip and quick adjustments in tight spaces
• Enhanced corrosion resistance through black-oxide steel finish, extending service life in industrial environments
• Reliable coarse threading with 10-24 UNC specification for faster installation and reduced cross-threading risks
• Optimized thread engagement with 7/8" threaded portion providing secure fastening while minimizing material usage
• Precision manufacturing with Class 2A thread fit ensuring consistent performance and interchangeability
• Environmental compliance meeting RoHS 3 standards for safe use in regulated applications
• Versatile partial threading allowing for both clamping and spacing functions in assembly operations

Professional Applications & Engineering Value

This black-oxide steel thumb screw delivers exceptional value in applications requiring frequent adjustments or tool-free access. The rectangular head design provides superior torque application without specialized tools, while the 10-24 UNC coarse thread configuration ensures rapid installation in various materials. Engineers specify this partially threaded fastener for panel mounting, access covers, and equipment maintenance where repeated access is necessary. The black-oxide surface treatment offers protection against oxidation in moderate environments, making it ideal for industrial controls, electronic enclosures, and machinery requiring periodic service. With 1/2" head dimensions and right-hand threading, it supports efficient assembly line operations and field maintenance across multiple sectors.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit tolerance per UNC specifications, ensuring reliable performance in inch-based applications. The 10-24 thread size with coarse pitch provides optimal holding power in various materials. This product is RoHS 3 (2015/863/EU) compliant, meeting environmental regulations for hazardous substance restrictions. The partially threaded design with 7/8" thread length and 1" overall length delivers consistent performance across industrial fastening applications.