Amazon.com: Odinest T Nuts Tee Sliding Slot Nuts 20 Series M3 Threaded Slide in Pre-Assembly for 20x20 Aluminum Extrusions Frame with Profile 2020 Sereis 6mm Slot for CNC Router Build Rail 3D
Amazon.com: [ J&J Products, Inc] 8-32 Brass Insert 50pcs, 0.251 in OD, 0.185 in Length, Female 8-32 Thread, Press Fitting or Injection Molding Type, 50 pcs : Industrial & Scientific
200pcs) DIN 6926 M8 Self-Locking Hexagon Flange Nuts with Serration A4 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP692648: Amazon.com: Industrial & Scientific