Stainless Steel Thumb NutsThumb nuts are circular shaped nuts with knurls on the sides to easily tighten without tools. They are mainly used to secure electrical wiring in electrical components.

KD Fasteners, Inc.® has them available in brass, stainless steel, nylatron, steel with a black oxide finish, and plastic. We carry them in both inch and metric sizes, and in a variety of sizes and styles.