S-91185A519 5/16"-24 x 3/4" Thumb Screws
Thumb Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Enhanced grip and torque application with knurled acetal plastic head for secure manual tightening without tools
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for humid or chemically exposed environments
- Precise thread engagement with Class 3A fit ensuring reliable, vibration-resistant fastening in critical assemblies
- Wide thermal compatibility with head temperature range from 32° to 180°F for stable performance in varying conditions
- Quick installation and adjustment facilitated by low-profile round head design and fine UNF thread spacing
- Durable, non-marring contact thanks to acetal plastic head material that protects sensitive surfaces
- Full regulatory compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
Professional Applications & Engineering Value
This 5/16"-24 UNF thumb screw combines 18-8 stainless steel durability with a knurled acetal plastic head to address common assembly challenges. The Class 3A thread fit and fine thread spacing provide exceptional clamping force and vibration resistance in precision equipment, electronic enclosures, and machinery panels. Its fully threaded design ensures consistent engagement across the entire 3/4" length, while the low-profile round head offers ergonomic handling in tight spaces. Engineers value its right-hand thread for standard applications and temperature-resistant properties, making it suitable for industrial controls, medical devices, and commercial fixtures where reliability and manual operation are paramount.
Specification Summary & Compliance
This thumb screw adheres to UNF thread standards with Class 3A thread fit for high precision. It features a 5/16"-24 thread size, 0.313" thread diameter, and fully threaded construction. The product is manufactured to comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial and commercial use.
