20 Pcs 4040 Series T Spring Nut, M4 Thread Roll in Spring Post Assembly T Nuts Hammer Head Fastener Nut Drop in T-Nut for 40 Series Aluminum Extrusion Profile T Slot 8mm for 3D Printer (M4)-Fast Shipping

Description

Size: 22mm x 13mm x 7.8mm (L x W x H),thread:M4 metric.

Material:high quality carbon steel, the surface is post-assembly nuts have high hardness and a long service life and good rust resistance. Back spring ball can be fixed its position which make installation very simple and reliable.

Include 20 Pcs spring ball tee nut,they have clean thread and they can be directly into the aluminum slot hole in any of the assembly point,make your job easier.

Aluminum Profile T-Nuts widely used for building industrial aluminum frame structures, 3D printers, CNC Routers, CNC laser cutters, Robotics Projects, 3D carvers, machine guards, workstations, etc.

These hammer head drop in T slot nuts work well in 40x40mm aluminum extrusion profile t-slot confirm the size referring image before purchasing.