Description
3 Series Flat L Plate is a strong external fastening plate designed to connect two SlotPro aluminium profiles at a 90 degree angle. The plate mounts to the outside of the frame connection and is fastened using the supplied bolts, spring washers, and T nuts.
3 Series Flat L Plate is a quick and adjustable option for 3 Series SlotPro Extrusion and Profile builds. It requires no machining, making it suitable for modular frames, enclosures, and structural joins where an external plate connection is preferred.
Product Name: 3 Series Flat L Plate
Product Code: 6.03.SPLP
Series: 3 Series
Material: Zinc plated steel
Compatible With: 3 Series SlotPro Extrusions
Fixings Required:
• 5 × M6 x 10 Bolts
• 5 × M6 Spring Washers
• 5 × M6 T Nuts
Key Features:
• Strong external connector plate for 90 degree joints
• No machining required
• Easy to reposition and reuse
• Fixings included for fast installation
• Suitable for structural joins and load bearing frame connections
• Can be mounted on both sides of the join for added strength
Installation Tip:
Fit the plate loosely first, square the two profiles, then tighten all fixings evenly to secure the joint.
Common Applications:
• External bracing for machine frames
• Structural corner support
• Frame extensions and modular enclosures
• Display frames and kiosks
• Fastened joins without internal machining
Need Custom Lengths or Help with Design?
SlotPro offers a cut and mill service. Contact our team for layout assistance, technical support, or help selecting the right components for your build.
📞 0800 00 28 32
📧 [email protected]



