Size and Type: It measures .866 x .539 x .283 inches long with 5/16-20 thread. Fit for 15 Series or 40 Series aluminum extrusions. T-Slot: 8mm.
Material: The ball spring T-nut is made of 1045 steel with zinc finish. Durable and rust-proof.
Quantity: You will have 20pcs 5/16-20 spring T-nut.
Install: Roll in T-nut with Ball Spring can be inserted into T-slot easily. To attach joining plates, corner brackets, and other t track accessories to aluminum extrusion.
Widely use: This T-Nuts widely used for building industrial aluminum frame structures, 3D printers, CNC Routers, CNC laser cutters, Robotics Projects, 3D carvers, etc.
