S-92421A240 10-24 x 3/8" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced manual torque application with a knurled round head and flared collar design for superior grip without tools
• Excellent corrosion resistance due to brass material, ensuring longevity in various environments
• Quick and secure fastening with coarse UNC threading and Class 2A fit for reliable engagement
• Full-threaded length provides consistent holding power along the entire 3/8" shaft
• Wide 7/16" head diameter offers comfortable finger pressure distribution during tightening
• Right-hand thread direction ensures intuitive installation for standard applications
• Compliance with RoHS 3 and REACH regulations guarantees safe, environmentally responsible use in regulated industries

Professional Applications & Engineering Value

This 10-24 UNC brass thumb screw is engineered to address common assembly challenges where tool-less access and frequent adjustments are required. The knurled head texture combined with the flared collar prevents slipping under high manual torque, making it ideal for panels, electronic enclosures, and machinery covers. The corrosion-resistant brass construction ensures reliable performance in humid or outdoor settings, while the coarse thread and Class 2A fit provide quick alignment and secure fastening. Its fully threaded design offers uniform clamping force, reducing the risk of loosening in vibration-prone applications such as audio equipment, laboratory instruments, and prototyping fixtures.

Specification Summary & Compliance

This thumb screw features a 10-24 UNC coarse thread with Class 2A tolerance for consistent fit, a 3/8" length, and a 7/16" knurled round head with flared collar. It is manufactured from brass and is fully threaded. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety standards for industrial use.