【High-quality materials】：These T-channel nuts are made of high-quality carbon steel, which is hard, strong and durable.The galvanized surface is corrosion resistant in many environments.The nickel plating ensures good rust resistance.Carbon steel T-slot nuts can also be used indoors, outdoors and wet areas. 【Size Specification】：We can supply you M5 locknuts in 15 pieces for profiles with 6mm grooves.Profile compatibility: Type B. Dimensions of the slot nuts: L x W x H = 10 x 10 x 5 mm. 【High friction and good anti-vibration effect】：T nuts have high connection strength, large groove contact area, high friction, relaxation and anti-vibration effect.Heavy-duty sliding nuts are mainly used to connect accessories to aluminum profiles. 【Easy to Assemble】：T-slot nuts are easy to use and make it easier to connect aluminum profiles to other components.Before assembling the profile, it must be pre-drilled so that it does not fall off during assembly, and then insert this sliding block into the groove, otherwise it cannot be rotated or replaced. 【Wide range of applications】：The T-nut m5 sliding nut set is widely used in construction, carpentry, industrial aluminum frame construction, 3D printers, CNC laser cutting machines, robotics projects, etc. Aluminum extrusion channel for sliding nuts, T-nuts and guide rails.