Library › Hardware › 2 in diaphragm hub and tapped backing disc for a through rod

tapped backing disc Ø20 × 2

tapped backing disc Ø20 × 2: Ø5 centre hole, 3 × Ø1.6 (M2 tap drill) on Ø13

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

partbacking
featuredisc
valueØ20 × 2, Ø5 centre hole
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

2 in diaphragm hub and tapped backing disc for a through rod: every size, notes, mating features and sources. How does a rod attach to the centre of a tri-clamp diaphragm?

Other sizes