Chinflly 20 Pcs 1/4-20" Thread M6 T Slot Nuts Carbon Steel Silver Thread Spring for Aluminum Extrusion Profile

["Size: 1/4-20\" Thread Size; 0.63x0.39x0.2 inch/16x10x5mm (LxWxH)","Carbon Steel Construction: Crafted from quality carbon steel, these 5/16-18-threaded T-pring nuts offer high hardness and long service life","Precision-Designed Installation: Precision-engineered, these half-round roll-in spring T-nuts can only be inserted from the end of the profile, ensuring a secure and reliable connection","Application: These T-spring nuts find extensive use across various industries, from constructing industrial aluminum frame structures, 3D printers,CNC laser cutting machines, 3D engraving machines, machine guards to robotic projects","Package: 20 Pcs T Slot Nuts"]