M6 Large Flat Washer (Fender Washer), DIN 9021

Made for M6 screws, this large flat washer (DIN 9021) has a 6.4 mm hole and is 18 mm across, 1.6 mm thick. Download it as simplified STEP files.

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

• Also searched as: M6 washer
• Model id: din9021-m6
• Standard: DIN 9021:1990 · size M6

Files

Part key	Simplified
din9021-m6	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d1	Inside diameter		6.4	6.62	6.4	nominal	L1
d2	Outside diameter	17.57	18		18	nominal	L1
h	Thickness	1.4	1.6	1.8	1.6	nominal	L1

Drawing

As a PDF: CC-DIN9021-SZ-M6.pdf.

Goes with the M6 large flat washer

• ISO 4762 socket head cap screw in 12 lengths from 10 to 60 mm, the same size as this M6 large flat washer: M6 Socket Head Cap Screw (Allen Bolt), ISO 4762 / DIN 912
• ISO 4017 hex head screw in 11 lengths from 12 to 60 mm, the same size as this M6 large flat washer: M6 Hex Head Screw (Hex Bolt), ISO 4017
• ISO 4032 hex nut, the same size as this M6 large flat washer: M6 Hex Nut (Hexagon Nut), ISO 4032 / DIN 934

The M6 large flat washer beside the M5 and the M8

The M6 is number 5, counting from the smallest, of the 6 DIN 9021 large flat washers published here, from M2.5 to M8.

• Inside diameter (d1): 6.4 mm on the M6 large flat washer, against 5.3 mm on the M5 and 8.4 mm on the M8.
• Outside diameter (d2): 18 mm on the M6 large flat washer, against 15 mm on the M5 and 24 mm on the M8.
• Thickness (h): 1.6 mm on the M6 large flat washer, against 1.2 mm on the M5 and 2 mm on the M8.

Other sizes

• One size smaller: M5 Large Flat Washer (Fender Washer), DIN 9021, 5.3 mm hole, 15 mm OD.
• One size larger: M8 Large Flat Washer (Fender Washer), DIN 9021, 8.4 mm hole, 24 mm OD.

Documents

• CC-DIN9021-DS-M6.pdf: M6 datasheet: values with levels, sources
• CC-DIN9021-SZ-M6.pdf: M6 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

fasten-it-din9021, fasteners-eu-din9021, jcfasteners-din9021. Full citations: the method page and this size's datasheet.

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