S-93886A220 M3 Thumb Nuts

Key Features & Benefits at a Glance

• Easy hand-tightening installation with knurled round head design for superior grip without tools
• Excellent chemical and moisture resistance from durable Acetal Plastic construction
• Reliable thread engagement with Class 6H thread fit ensuring precise mating with M3 components
• Broad temperature compatibility maintaining performance from 32° to 180° F
• Quick assembly and adjustment through coarse 0.5 mm pitch threading
• Enhanced workplace safety with REACH and RoHS 3 compliance
• Consistent dimensional stability with 9.6 mm head diameter for uniform torque application

Professional Applications & Engineering Value

This M3 thumb nut delivers exceptional value in applications requiring frequent adjustments or tool-free maintenance. The Acetal Plastic construction provides natural lubricity and corrosion resistance, eliminating galling issues common with metal fasteners in sensitive equipment. The fully threaded design and Class 6H thread fit ensure consistent clamping force across electronic enclosures, instrumentation panels, and light mechanical assemblies. The knurled round head offers positive grip even with gloved hands, while the temperature resistance maintains dimensional stability across industrial environments. Ideal for prototyping, consumer electronics, and laboratory equipment where metric thumb nuts require both precision and user-friendly operation.

Specification Summary & Compliance

Manufactured to metric system standards with M3 x 0.5 mm coarse threading and Class 6H thread fit tolerance. Features include 9.6 mm head diameter, 5.6 mm height, and fully threaded right-hand design. Compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, ensuring safe use in regulated industries and electronic applications.