Designed specifically for 20 Series T-Slot aluminum extrusions, the M4 Sliding T-Nuts enable easy and robust fastening without the need for drilling or tapping. This simplifies the assembly process, providing a convenient and reliable fastening solution. Ideal for a variety of projects, the pack includes 10 M4 sliding T-Nuts. They can be inserted from the top or the side, ensuring versatility and ease of use for any application.