M5 Chamfered Flat Washer (Chamfered Plain Washer), ISO 7090

Made for M5 screws, this chamfered flat washer (ISO 7090) has a 5.3 mm hole and is 10 mm across, 1 mm thick. Download it as simplified STEP files.

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

• Also searched as: M5 washer
• Model id: iso7090-m5
• Standard: ISO 7090:2000 · size M5

Files

Part key	Simplified
iso7090-m5	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d1	Inside diameter	5.3	5.3	5.48	5.3	nominal	L1
d2	Outside diameter	9.64	10	10	10	nominal	L1
h	Thickness	0.9	1	1.1	1	nominal	L1
ch_angle	Chamfer angle	30		45	37.5	midpoint of min–max	L0 (min, max: one source)
ch_h	Chamfer height	0.25		0.5	0.375	midpoint of min–max	L0 (min, max: one source)

Drawing

As a PDF: CC-ISO7090-SZ-M5.pdf.

Goes with the M5 chamfered flat washer

• ISO 4762 socket head cap screw in 11 lengths from 8 to 50 mm, the same size as this M5 chamfered flat washer: M5 Socket Head Cap Screw (Allen Bolt), ISO 4762 / DIN 912
• ISO 4017 hex head screw in 10 lengths from 10 to 50 mm, the same size as this M5 chamfered flat washer: M5 Hex Head Screw (Hex Bolt), ISO 4017
• ISO 4032 hex nut, the same size as this M5 chamfered flat washer: M5 Hex Nut (Hexagon Nut), ISO 4032 / DIN 934

The M5 chamfered flat washer beside the M6

The M5 is the smallest of the 3 ISO 7090 chamfered flat washers published here, from M5 to M8.

• Inside diameter (d1): 5.3 mm on the M5 chamfered flat washer, against 6.4 mm on the M6.
• Outside diameter (d2): 10 mm on the M5 chamfered flat washer, against 12 mm on the M6.
• Thickness (h): 1 mm on the M5 chamfered flat washer, against 1.6 mm on the M6.
• Chamfer angle (ch_angle): 30 to 45° on the M5 chamfered flat washer, the same on the M6.
• Chamfer height (ch_h): 0.25 to 0.5 mm on the M5 chamfered flat washer, the same on the M6.

Other sizes

• One size larger: M6 Chamfered Flat Washer (Chamfered Plain Washer), ISO 7090, 6.4 mm hole, 12 mm OD.

Documents

• CC-ISO7090-DS-M5.pdf: M5 datasheet: values with levels, sources
• CC-ISO7090-SZ-M5.pdf: M5 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

fasten-it-iso7090, fasten-it-iso7090-drawing, globalfastener-iso7090, westfield-iso7090. Full citations: the method page and this size's datasheet.

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