Library › Hardware › C channels (AISC American Standard channels): C6x13, C8x11.5…

C8 x 11.5 channel

C8 x 11.5 channel: depth 8.0 in (203.2 mm), flange 2.26 in (57.4 mm), web 0.22 in, mean flange 0.39 in, flanges sloped 2 in 12 in, 4 in long

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

shapeC8x11.5
lb/ft11.5
d (in)8.0
bf (in)2.26
tw (in)0.22
tf mean (in)0.39
k (in)0.938
d (mm)203.2
bf (mm)57.4
tw (mm)5.59
tf (mm)9.91
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

C channels (AISC American Standard channels): C6x13, C8x11.5, C12x20.7 dimensions + STEP/STL: every size, notes, mating features and sources. What are the dimensions of a C6x13 channel?

Other sizes