Library › Hardware › Slide-in T-nuts for 20, 30, 40, 45 mm and 1 in, 1.5 in T-slot…

slide-in T-nut, 1.5 in 15-series

slide-in T-nut, 1.5 in 15-series: the slot space (opening 8.13, lip 4.06, cavity 20.57, floor 12.29 mm) × 20.57 long, 5/16-18 tap-drill hole Ø6.53

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

family1.5 in 15-series
opening0.320 in (8.13 mm)
lip0.160 in (4.06 mm)
cavity width0.810 in (20.57 mm)
face to floor0.484 in (12.29 mm)
threads5/16-18, 1/4-20
Let your AI pull this. Add 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.
Set it up →

From the full sheet

Slide-in T-nuts for 20, 30, 40, 45 mm and 1 in, 1.5 in T-slot extrusion: every size, notes, mating features and sources. What are the exact dimensions of a 2020 T-nut?

Other sizes