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Bolt hole cracking during attachment to an instrument panel

Bolt hole cracking during attachment to an instrument panel

Bolt hole cracking during attachment to an instrument panel

(OP)

RE: Bolt hole cracking during attachment to an instrument panel

Yep, that's definitely cracking... was there a question to go along with this pic?

Dan - Owner
http://www.Hi-TecDesigns.com

RE: Bolt hole cracking during attachment to an instrument panel

You need a rubber washer to distribute the load or even better a metallic spacer to take the clamping load. Maybe both.

----------------------------------------

The Help for this program was created in Windows Help format, which depends on a feature that isn't included in this version of Windows.

RE: Bolt hole cracking during attachment to an instrument panel

Is there enough clearance in the panel?

RE: Bolt hole cracking during attachment to an instrument panel

Are these machine screws? I would avoid the use of machine screws for attaching plastic panels as the torque required to retain the screw is too high and will damage the plastic. A friction fit thread similar to a wood screw would be a better choice. If the panel requires frequent removal, clip nuts on the mating part will help maintain friction fit. Otherwise, bushings should be installed in the panel for support to be used with machine screws. Well nuts work well, too.

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