120 Fan Guard (Fan Grill), Wire fan guard

With eyelets 104.78 mm apart for 4.57 mm screws, the 120 fan guard (Wire fan guard) is 115.6 mm across its outer ring and 5.9 mm high. Here as simplified STEP files.

How these parts are made, and what the levels mean: read the method

• Also searched as: 120 guard
• Model id: fan-guards-120
• Standard: Wire fan guard · size 120

Files

Part key	Simplified
fan-guards-120	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
e	Mounting hole spacing		104.78		104.78	nominal	L1
dh	Mounting hole diameter		4.57		4.57	nominal	L1
D	Outside ring diameter		115.6		115.6	nominal	L1
h	Guard height		5.9		5.9	nominal	L1
d_ring	Ring wire diameter		1.8		1.8	nominal	L1
d_rib	Rib wire diameter		1.8		1.8	nominal	L0 (nom: one source)

Drawing

As a PDF: CC-FANGUARD-SZ-120.pdf.

The 120 fan guard beside the 92

The 120 is the last of the 6 Wire fan guard fan guards published here, listed from 30 to 120.

• Mounting hole spacing (e): 104.78 mm on the 120 fan guard, against 82.42 mm on the 92.
• Mounting hole diameter (dh): 4.57 mm on the 120 fan guard, the same on the 92.
• Outside ring diameter (D): 115.6 mm on the 120 fan guard, against 89.8 mm on the 92.
• Guard height (h): 5.9 mm on the 120 fan guard, against 5.5 mm on the 92.
• Ring wire diameter (d_ring): 1.8 mm on the 120 fan guard, against 1.6 mm on the 92.
• Rib wire diameter (d_rib): 1.8 mm on the 120 fan guard, the same on the 92.

Other sizes

• One size smaller: 92 Fan Guard (Fan Grill), Wire fan guard, holes 82.42 mm apart, 89.8 mm ring, 5.5 mm high.

Documents

• CC-FANGUARD-DS-120.pdf: 120 datasheet: values with levels, sources
• CC-FANGUARD-SZ-120.pdf: 120 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

mechatronics-fan-guards, qualtek-fan-guards, sepa-fan-guards. Full citations: the method page and this size's datasheet.

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