NAS1130-06-10 | إدراجات حلزونية حسب المواصفات العسكرية | فولاذ مقاوم للصدأ 304 (50/كيس)

The threading on these 304 stainless inserts is clean and consistent, so they started smoothly every time. They feel sturdy in hand, and the 50-pack gives me plenty for my current general assembly jobs.

Installed a full pack of these on a heavy equipment repair and they held perfectly under torque. The 304 stainless steel feels solid and the coil threading went in smoothly without any cross-threading issues. Exactly what I needed for general fastening work.

I used a full pack rethreading an engine block, and every single insert seated perfectly without deforming. The 304 stainless gives me peace of mind against rust in that high-heat area.