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drilling punching

thread643-153061

drilling punching

drilling punching

(OP)
How are holes made in a beam? What are the limitations?
Replies continue below

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RE: drilling punching

We can better answer your question if you tell us why you want to know.

Hg

Eng-Tips policies:  FAQ731-376

RE: drilling punching

The thickness of the steel is the smallest hole you should punch (rule of thumb). Drilled holes have no limit. Making a square hole with a drill is tough.

RE: drilling punching

What's the application?

There are slightly different rules for buildings and for bridges.

Hg

Eng-Tips policies:  FAQ731-376

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