Library › Hardware › Shelf support pins for 5 mm holes (32 mm system), plain and L-ledge

Ø3.2 × 16 pin for the small-hole bookcase variant

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

pin	plain
dia_mm	5
length_mm	16

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

Shelf support pins for 5 mm holes (32 mm system), plain and L-ledge: every size, notes, mating features and sources. What size shelf pins fit IKEA BILLY?

Other sizes

Plain Ø5 × 16 mm shelf pin (8 in the hole, 8 under the shelf)
Plain Ø5 × 20 mm shelf pin
Ø5 pin with a 10 × 12 ledge (prints on its side; the shelf rests on the ledge)