20Pieces Spring Loaded Nuts Track Slider Nut Kit Thread Spring

Carbon steel; T slot nuts: it is the one of used accessory in the aluminum profile connection, spring balls loaded; Elastic t nut: widely used for building industrial aluminum frame structures, 3d printers, cnc routers, robotics projects and so on, spring t nut; Roll-in nuts: just placed directly into the profile groove, can be automatically positioned and locked, aluminum extrusion; Roll-in spring, wear-resistant and waterproof, suitable for various environments, nut; Thread nuts: can be directly into the aluminum slot hole in any of the assembly posts, back spring balls can be fixed in its position, thread roll-in t nut

What's in the box
20 x Spring Loaded Nuts