Library › Power & cooling › Axial fans, 25 to 140 mm: frames and hole patterns

40 × 40 × 20 (4020)

40 × 40 × 20 (4020)

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

frame_mm40
hole_pattern_mm32
hole_dia_mm3.5
thickness_mm10
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From the full sheet

Axial fans, 25 to 140 mm: frames and hole patterns: every size, notes, mating features and sources. What is the screw hole spacing for 80 mm, 92 mm and 140 mm fans?

Other sizes