Xem Studiomeasured geometryLibrary › Hardware › Joining plates, 2 × 3 holes, for 20, 30, 40, 45 mm and 1 in, 1.5 in…
20-series (6 mm slot) 2 × 3 hole plate on the 20 mm pitch, 5 thick, Ø5.5 holes (M5 clearance)
20-series (6 mm slot) 2 × 3 hole plate on the 20 mm pitch, 5 thick, Ø5.5 holes (M5 clearance)
Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.
STEP STL free, CC BY 4.0 (credit "Xem Studio")
Dimensions
| family | 20-series (6 mm slot) |
|---|---|
| plate_mm | 40 × 60 × 5 |
| pitch_mm | 20 |
| holes | Ø5.5 (M5) |
Let your AI pull this. Add
Set it up →https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.From the full sheet
Joining plates, 2 × 3 holes, for 20, 30, 40, 45 mm and 1 in, 1.5 in T-slot extrusion: every size, notes, mating features and sources. What hole spacing for a 2020 joining plate?
Other sizes
- 30-series (8 mm slot) 2 × 3 hole plate on the 30 mm pitch, 5 thick, Ø6.6 holes (M6 clearance)
- 40-series (10 mm slot) 2 × 3 hole plate on the 40 mm pitch, 5 thick, Ø9 holes (M8 clearance)
- 45-series (10 mm slot) 2 × 3 hole plate on the 45 mm pitch, 5 thick, Ø9 holes (M8 clearance)
- 1 in 10-series 2 × 3 hole plate on the 25.4 mm pitch, 5 thick, Ø7.14 holes (1/4-20 clearance)
- 1.5 in 15-series 2 × 3 hole plate on the 38.1 mm pitch, 5 thick, Ø8.73 holes (5/16-18 clearance)