S-91035A497 10-24 x 1 1/4" ASTM A581, ASTM A582 Captive Panel Screws
Captive Panel 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
- Enhanced manual operation with knurled round head design for superior grip and torque application without tools
- Exceptional corrosion resistance from 18-8 stainless steel construction for long-term reliability in harsh environments
- Quick installation and removal with coarse 10-24 UNC threading and right-hand thread direction
- Secure panel retention through partially threaded captive design preventing complete screw detachment
- Precision thread engagement with Class 2A fit ensuring consistent performance and vibration resistance
- Dual drive compatibility featuring both thumb operation and slotted drive for flexible installation methods
- Regulatory compliance meeting ASTM A581, RoHS 3, and REACH standards for quality and environmental safety
Professional Applications & Engineering Value
This 18-8 stainless steel captive panel screw delivers critical performance advantages in industrial settings where repeated access and reliability are paramount. The knurled thumb head eliminates tool dependency while providing positive grip even with gloved hands, significantly reducing maintenance time. Its 10-24 UNC coarse threading enables rapid engagement with panels and chassis, while the partially threaded design ensures the screw remains captive to prevent loss in vibration-prone applications. The stainless steel construction maintains integrity in corrosive environments, making it ideal for electronic enclosures, control panels, and industrial equipment requiring frequent service access. The combination of slotted drive compatibility and thumb operation offers installation flexibility across various maintenance scenarios.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit for consistent performance. The 10-24 UNC coarse thread (0.19" diameter) provides optimal engagement for panel applications. Compliant with ASTM A581 specification for quality stainless steel wire, RoHS 3 (2015/863/EU) for hazardous substance restriction, and REACH (EC 1907/2006) for chemical safety. Features 3/8" knurled head diameter with 1-1/4" overall length and 1/4" threaded portion for secure captive panel mounting.
