High Quality: These T-slot nuts are made of high quality aluminum alloy material, which has strength and good corrosion resistance in many environments. Size: About 30*23*7.8mm. 5 M8 T-Slot Nuts T-shaped sliding nuts for woodworking tool slot fasteners. The size is too small to fit the hardened slot of the machine. Easy to install: Easy to install, it is one of the most commonly used parts for aluminum profiles and other parts. T-slot nuts allow users to add fixtures to fixtures without disassembling existing fixtures. Multi-Function: These fixtures can be used in many woodworking and metalworking applications for fastening , positioning and fixing of parts. Flushing pressure is applied at any position along the recessed T-shaped T-track. Used to make jigs and fixtures for radial arm saws, workbenches, drill presses and various other machines. Wide Range Of Applications: T-slot nuts allow users to add fixtures to fixtures without disassembling existing fixtures. Suitable for door handles, machinery industry, they are also easy to use and connect aluminum profiles.