S-90359A180 M8 x 16 mm Thumb Screws

Key Features & Benefits at a Glance

• Effortless manual installation with spade-shaped thumb head requiring no tools for quick adjustments
• Superior corrosion resistance through zinc plating that protects against rust in humid or outdoor environments
• Robust structural integrity from cast iron construction ensuring reliable performance under mechanical stress
• Secure coarse thread engagement with M8x1.25mm pitch providing faster assembly and reduced cross-threading risk
• Precise thread compatibility with Class 8g tolerance maintaining consistent fit in metric applications
• Maximum grip surface from full threading along 16mm length preventing loosening under vibration
• Compliance confidence meeting RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

This zinc-plated cast iron thumb screw delivers exceptional value in applications requiring frequent manual adjustments without compromising durability. The M8 coarse thread (1.25mm pitch) enables rapid installation in soft materials and blind holes, while the Class 8g thread fit ensures consistent engagement in production environments. The spade head design provides superior torque transmission for hand-tightening operations in machinery access panels, electronic enclosures, and jig fixtures. The combination of cast iron core material and zinc plating creates a cost-effective solution that withstands moderate corrosion while maintaining the strength needed for industrial fastening applications where tool-free access is prioritized.

Specification Summary & Compliance

Manufactured to metric thread standards with M8x1.25mm coarse pitch and Class 8g thread tolerance for consistent fit. Features fully threaded 16mm length with right-hand threading direction. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international environmental and safety standards for industrial components.