Xem Studiomeasured geometryLibrary › Hardware › Full-bore pistons for tri-clamp spools: Ø34.8, Ø47.5 and Ø72.9
piston-1.5in
1.5 in full-bore piston Ø34.8 × 42 (the spool bore, exact), two 8 mm lands with 0.4 relief between, Ø3 wrist pin at 17.6 mm, open skirt
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
| spool_in | 1.5 |
|---|---|
| bore_mm | 34.8 |
| piston_od_mm | 34.8 |
| length_mm | 42 |
| wrist_pin_z_mm | 17.6 |
| files | piston-1.5in, piston-1.5in-rod |
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
Full-bore pistons for tri-clamp spools: Ø34.8, Ø47.5 and Ø72.9: every size, notes, mating features and sources. What piston fits the bore of a 1.5, 2 or 3 inch tri-clamp spool?