S-91035A530 10-32 x 3/4" ASTM A581, ASTM A582 Captive Panel Screws

Key Features & Benefits at a Glance

• Enhanced manual operation with knurled round head for secure, tool-free tightening and loosening in confined spaces
• Superior corrosion resistance provided by 18-8 Stainless Steel construction, ensuring longevity in harsh industrial environments
• Reliable panel retention through partially threaded design that prevents over-insertion and maintains secure captive assembly
• Precision thread engagement with Class 2A fit and 10-32 UNF fine threads for vibration-resistant fastening in panel applications
• Dual drive compatibility featuring both thumb-operated knurling and slotted drive for flexible installation options
• Regulatory compliance assurance meeting ASTM A581 standards while being RoHS 3 and REACH compliant for global industrial use
• Optimized dimensional stability with 3/4" length and controlled thread length for consistent performance in repetitive panel applications

Professional Applications & Engineering Value

This 10-32 UNF thumb screw delivers exceptional engineering value for captive panel applications where frequent access and corrosion resistance are critical. The 18-8 Stainless Steel construction provides reliable performance in electronic enclosures, industrial control panels, and marine equipment where moisture and chemicals are present. The knurled head texture ensures positive grip even with gloved hands, while the partially threaded design prevents thread damage during repeated panel removal. The fine UNF threads offer superior holding power in thin panel materials, making this captive panel screw ideal for telecommunications, aerospace, and automotive industries where vibration resistance and quick maintenance access are essential requirements.

Specification Summary & Compliance

This thumb screw features precision Class 2A thread fit with 10-32 UNF right-hand fine threads and partial threading over 1/4" length. Manufactured to ASTM A581 specifications for consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial markets. Dimensional specifications include 3/8" head diameter, 0.438" head height, and 3/4" overall length for standardized panel applications.