80/20 Aluminum Joining Brackets and Plates 8020 offers many varieties of plates and brackets for both fractional and metric t-slotted aluminum extrusions. No machining is required to utilize joining plates and brackets, giving you unlimited flexibility on where you can utilize them. With hardware, plates and brackets activate the 2-degree lock feature on most profiles, which enables connections to remain vibration resistant and strong. Using 80/20 recommended hardware ensures proper bolts and t-nuts for the correct fit. 80/20 offers many pre-packaged joining plates and hardware available for purchase together, ensuring you receive the correct parts together. 8020, 4307 Two Hole Plate and 3320 Hardware Bundle, 10 Pack 8020, 4113, 10 Series Aluminum 4 Hole Inside Corner Bracket, 10 Pack 8020, 4480, 15 Series, Aluminum 5 Hole T Tee Flat Plate, 10 Pack 8020, 4302, 15 Series Aluminum 2 Hole Inside Corner Bracket, 25 Pack 8020, 4136, 10 Series, 4 Hole Aluminum Corner Gusset L Bracket, 10 Pack 8020, 4115, 10 Series Aluminum 4 Hole Tall Inside Corner Bracket, 25 Pack Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews — — 5.0 out of 5 stars 1 4.9 out of 5 stars 47 5.0 out of 5 stars 5 5.0 out of 5 stars 5 Price $107.94$107.94 $77.30$77.30 $138.30$138.30 $127.25$127.25 $104.80$104.80 $234.75$234.75 Series 15 Series 10 Series 15 Series 15 Series 10 Series 10 Series Anodize Clear Anodize Clear Anodize Clear Anodize Clear Anodize Clear Anodize Black Anodize Number of Thru Holes 2 4 5 2 4 4 Application