T Block Square Nut M3 M4 M5 M6 M8 T Nut T-Track Sliding Hammer Nut for 2020 3030 Aluminum Connection Profile 3D Printer(4040-M5-20PCS)

T-slot square nuts M3 M4 M5 M6 M8 T-slot nuts T-slot sliding hammer nuts Suitable for 2020/3030 aluminium profile connectors 3D printersM3 M4 M5 M6 M8 M10 T-slot square nuts T-slot sliding hammer nuts Fasteners for aluminium profilesApplicable ranges: 20 Series/30 Series/40 Series/45 Series aluminium profilesNote: Only 3030 series features nickel platingOthers feature blue zinc coatingType: T-slot square nutSizes: M3, M4, M5, M6, M8, M10DIY Material: MetalworkingMaterial: Carbon steelNote: Light reflection and monitor variations may cause slight colour differences between images and actual products. Size tolerance: ±1-3cmPlease note: Actual products may exhibit minor colour variations or discrepancies, which do not affect functionality. Your understanding is appreciated

• 1. 2020 and 3030 aluminium profile T-slot design, perfectly popular 3D printer frame structures found in maker communities
• 2. Ensures precise and secure connections at every joint, effectively preventing loosening caused by printer vibration
• 3. Innovative installation method: Insert into slot, tap into place, rotate to lock. Eliminates laborious threading from profile ends, enabling rapid component addition or adjustment anywhere along the frame
• 4. M3/M4 for mounting limit switches, cable drag chains and small accessories; M5/M6 for structural connections; M8 for critical load-bearing sections – your all-purpose toolkit for 3D printer projects
• 5. Constructed from high-strength carbon steel with galvanised surface treatment, delivering connection strength even under prolonged light vibration during . Effectively prevents oxidation, ensuring long-term stability of the printer frame