Description:

Made from carbon steel,have high hardness, surface is Nickel-plated for good rust resistance..
Easy to be roll into T slot of aluminum profile..
Package Content: 10 Pcs x 2020 Series M4 Roll Ball Elastic T-Nuts..
2020 Series Aluminum Profile T-Nuts widely Use to build CNC routers, 3D printers, CNC laser cutters, CNC plasma cutters, robotics projects, 3D carvers, machine guards, workstations, etc.