Product Type

90 Degree Joining Plate / External Corner Connector

Material

Anodized Aluminum (commonly 6105-T5 Aluminum for genuine OpenBuilds products, or Steel for some variants)

Dimensions (Common)

60mm x 60mm (for 20mm series V-Slot) or 40mm x 40mm (for 40mm series V-Slot)

Thickness

4mm (typical for aluminum versions); 2mm (typical for steel versions)

Mounting Holes

M5 diameter screw holes, typically on 20mm spacing

Hole Count

Commonly 5 holes (a central hole and two on each leg of the L-shape)

Compatibility

OpenBuilds V-Slot and C-Beam aluminum extrusion profiles (e.g., 20x20mm, 20x40mm, 40x40mm)

Fastening Method

External mounting using M5 Low Profile Screws and M5 T-Nuts (sold separately)

Rigidity

Provides strong and rigid 90-degree connections

Precision

Precision machined for accurate fit and alignment

Finish

Anodized (for aluminum, usually clear/silver or black) or Electrostatic Paint (for steel, usually black)

Corrosion Resistance

Good (due to anodizing or paint finish)

Weight

Lightweight (for aluminum versions)

Ease of Use

Simple to install and provides versatile mounting options