S-92558A614 M3.5 x 12 mm Thumb Screws

Key Features & Benefits at a Glance

• Effortless manual operation with a knurled round head design for superior grip without tools
• Exceptional corrosion resistance from 18-8 stainless steel, ideal for harsh or washdown environments
• Reliable coarse threading with 0.6 mm pitch for quick assembly and reduced cross-threading risk
• High mechanical strength offering 80,000 psi tensile strength and Rockwell B83 hardness for durable, repeated use
• Precise thread fit with Class 6g tolerance ensuring consistent engagement and vibration resistance
• Full 12 mm threading provides maximum holding power across the entire fastener length
• Compliant with RoHS 3 and REACH standards, safe for use in regulated industries and electronics

Professional Applications & Engineering Value

This M3.5 thumb screw in 18-8 stainless steel is engineered to solve common industrial fastening challenges, such as frequent adjustments or tool-free access needs. The knurled round head and raised profile deliver a secure, non-slip surface for manual tightening, reducing installation time and eliminating the risk of stripped tools. Its coarse metric thread (0.6 mm pitch) allows for rapid engagement in soft materials or pre-tapped holes, minimizing assembly errors. With high tensile strength and corrosion-resistant properties, this thumb screw is ideal for applications in electronics enclosures, machinery panels, medical devices, and laboratory equipment, where reliability and quick maintenance are critical.

Specification Summary & Compliance

This thumb screw adheres to metric thread standards with M3.5 x 0.6 mm coarse threading and a Class 6g thread fit for precise dimensional accuracy. It is fully threaded along its 12 mm length and includes a collar for added stability. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.