M4 hammer nut for 2020 extrusions 6 mm groove - 20 pieces T-nut with M4 thread for 2020 aluminum...Remake3D
M5 Roll-In T-nut with Ball for 8mm groove - 10 pcs. - profiled sliding nut allows for easy assembly of elements to the aluminum profile 3030. The ball in the nut is designed to maintain the position in the profile and prevent it from moving. It has a thread for an M5 screw.