S-92427A581 5/16"-18 x 3/4" Thumb Screws

Key Features & Benefits at a Glance

• Easy hand-tightening operation with spade head design requiring no tools for quick adjustments
• Superior corrosion resistance from durable brass construction ideal for harsh environments
• Reliable thread engagement with fully threaded shank providing maximum grip and load distribution
• Consistent assembly performance through Class 2A thread fit ensuring precise, vibration-resistant connections
• High mechanical strength with 50,000 psi tensile strength and Rockwell B40 hardness for demanding applications
• Wide compatibility with 5/16"-18 UNC coarse threads matching standard industrial components
• Environmental compliance meeting RoHS 3 and REACH regulations for safe global usage

Professional Applications & Engineering Value

This brass thumb screw delivers exceptional value in applications requiring frequent manual adjustments without compromising durability. The spade head design enables rapid hand-tightening in confined spaces, while the fully threaded UNC coarse thread maintains secure fastening under vibration. Manufactured from brass with Rockwell B40 hardness, it resists corrosion in electrical enclosures, marine hardware, and precision instruments. The Class 2A thread fit guarantees consistent engagement in production lines, reducing assembly errors. Ideal for industrial maintenance, panel fastening, and equipment prototyping, this thumb screw combines manual convenience with engineered reliability.

Specification Summary & Compliance

Precision-manufactured to UNC thread standards with Class 2A thread fit for consistent dimensional accuracy. Complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Thread specifications include 5/16"-18 right-hand coarse threading and fully threaded 3/4" length. Material properties ensure 50,000 psi tensile strength and Rockwell B40 hardness for reliable performance.