184PCS T Lock Nut Assortment Kit, T-Slot Nut Kit Hammer Head Fastening Nut for Carbon Steel Aluminum Profile Size M3 M4 M5 13Thirteen

Description

【Sturdy and Durable】: T-nut made of high quality carbon steel. These nuts are extremely hard and have a long service life. The surface is nickel-plated for good rust resistance and good performance. 【Practical Set Includes】: M3x60 pieces, M4x60 pieces, M5x60 pieces, total 180 pieces with 4 matching hex keys. All are packed in a clear plastic box, convenient to store and use. 【Easy Installation】: Directly insert the nut into the groove of the extrusion and turn it 90 degrees clockwise. It can be positioned and locked automatically during the installation process. Ideal for installing corner pieces and other profile accessories. 【Widely used】: 2020 European series aluminum profiles with T-slots, widely used for building CNC router, 3D printer, CNC laser cutter, CNC plasma cutting machines, robotic projects, 3D sculptors, machine guards, workstations, etc. 【Standard Metrics】: Suitable for European standard aluminum profile extrusion slots and connected with T-bolt or other use, the bolt