S-91035A508 10-32 x 5/8" 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 head texture for superior grip and torque application without tools
- Reliable corrosion resistance from 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Precise thread engagement with Class 2A fit and fine 10-32 UNF threading for secure panel fastening
- Optimized installation control through partial threading that prevents over-tightening in captive panel applications
- Dual drive compatibility featuring both thumb-operated design and slotted drive for flexible installation methods
- Environmental compliance assurance meeting RoHS 3 and REACH standards for global manufacturing requirements
- Standardized performance manufactured to ASTM A581 specifications for consistent quality and dimensional accuracy
Professional Applications & Engineering Value
This 10-32 UNF thumb screw delivers critical advantages in panel mounting and electronic enclosure applications where frequent access is required. The 18-8 Stainless Steel construction provides excellent corrosion resistance, eliminating degradation in humid or chemically exposed environments. The knurled head design enables quick hand-tightening without tools, significantly reducing maintenance time while the partial threading ensures proper engagement depth in captive panel screw applications. Engineered with Class 2A thread fit and fine thread spacing, it maintains vibration resistance and prevents loosening in precision assemblies. The combination of slotted drive and thumb operation offers installation flexibility for both manual and tool-assisted tightening scenarios.
Specification Summary & Compliance
This inch thumb screw features precise Class 2A thread fit with 10-32 UNF right-hand threads, 0.19" thread diameter, and 5/8" overall length. Manufacturing complies with ASTM A581 specifications for material and dimensional standards. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental regulations for hazardous substance restrictions.
