S-97008A143 8-32 x 1/2" Thumb Screws

Key Features & Benefits at a Glance

• Effortless manual installation and removal with spade-shaped thumb head requiring no tools
• Superior corrosion resistance from zinc-plated steel coating for extended service life
• Reliable load-bearing performance with 40,000 psi tensile strength and Rockwell B55 hardness
• Secure anti-loosening fit ensured by Class 2A thread tolerance for vibration resistance
• Enhanced stability and distribution from integrated flange design
• Quick assembly in coarse materials using 8-32 UNC coarse threading
• Full regulatory compliance meeting RoHS 3 standards for safe industrial use

Professional Applications & Engineering Value

This zinc-plated steel thumb screw delivers exceptional value in industrial settings where frequent access and durability are critical. The spade head design enables rapid manual adjustments in equipment panels, electronic enclosures, and machinery guards without specialized tools. Its fully threaded 8-32 UNC construction with coarse spacing provides excellent grip in softer materials and plastics, while the flanged base increases bearing surface to prevent surface damage. With 40,000 psi tensile strength and corrosion-resistant plating, it withstands repetitive use in manufacturing, automotive, and electronics applications where RoHS 3 compliance is mandatory.

Specification Summary & Compliance

Manufactured to precise Class 2A thread fit standards with UNC coarse threading (8-32 size). Features full compliance with RoHS 3 (2015/863/EU) regulations. Dimensions include 1/2" length, 0.164" thread diameter, and 0.281" flange diameter. Constructed from zinc-plated steel with Rockwell B55 hardness rating.