S-91035A350 6-32 x 3/4" 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
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments.
- Enhanced manual grip from the knurled round head, allowing for easy installation and removal without tools.
- Reliable thread engagement with Class 2A thread fit and coarse UNC threading, ensuring secure fastening and vibration resistance.
- Optimized for panel retention through partial threading, preventing over-insertion and simplifying captive panel assembly.
- Broad regulatory compliance meeting ASTM A581, RoHS 3, and REACH, guaranteeing material safety and performance consistency.
- Right-hand thread design for standard installation practices, reducing assembly errors in production lines.
- Durable mechanical properties from the 0.313" head diameter and knurled texture, providing long-term operational reliability.
Professional Applications & Engineering Value
This 6-32 UNC thumb screw in 18-8 Stainless Steel addresses critical needs in industrial panel fastening by combining material durability with user-centric design. The knurled head ensures a firm grip even in oily or gloved conditions, speeding up maintenance and reducing tool dependency. Its partially threaded shank acts as a built-in stop, preventing threads from damaging panel materials and ensuring consistent captive screw performance in electronic enclosures, machinery guards, and communication devices. The coarse thread spacing and Class 2A thread fit provide robust holding power against vibrations, making it a reliable choice for applications where screw loosening can lead to equipment failure. Engineered to meet ASTM A581 specifications, it delivers predictable strength and corrosion resistance, minimizing downtime in demanding environments.
Specification Summary & Compliance
This thumb screw adheres to Class 2A thread fit tolerances per UNC standards, with a thread size of 6-32 and coarse spacing for reliable engagement. Manufacturing follows ASTM A581 (referencing ASTM A582) for material consistency, and the product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for global industrial use.
