Pilot Hole Size on Derale 20" Rigid, Steel-Blade Race Fan

Question:

I am looking at part # D17420. Can you tell me the pilot hole size? Thank you for your time.

asked by: Nikki G

Expert Reply:

The pilot hole on the Derale 20" Rigid, Steel-Blade Race Fan part # D17420 is 5/8" and the mounting flange pattern is 1-3/4" - 2-1/4" square.

expert reply by: Conner L

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