KFSE-440-4 | صواميل ضغط ذاتية من PEM #4-40 | فولاذ (50 / عبوة)

The knurling on these nuts really locks into the panel—no spinning when I torque down the screw. Used a dozen to mount brackets on a 1/16" steel plate and they held perfectly.

Needed these for a thin panel repair and the steel construction made them bite perfectly without any spinning. They install cleanly with just a simple tool and feel solid once set.

Pressed these into some thin steel brackets for a prototype and they seated perfectly flush with zero deformation on the back side. The #4-40 threads are clean and consistent across all fifty pieces, and they held up fine when I torqued a screw in. Exactly what I needed for a solid threaded fastenin