M3 Serrated Lock Washer, Form V (Countersunk), DIN 6798

Made for M3 screws, this serrated lock washer (DIN 6798, form V, countersunk) has a 3.2 mm hole and is 6 mm across, 0.4 mm thick. It has 12 teeth. Download it as simplified STEP files.

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

• Also searched as: M3 washer
• Model id: din6798-v-m3
• Standard: DIN 6798:1988 · size M3

Files

Part key	Simplified
din6798-v-m3	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d1	Inside diameter	3.2	3.2	3.38	3.2	nominal	L1
d3	Outside diameter, form V		6	6	6	nominal	L1
s2	Sheet thickness, form V		0.2		0.2	nominal	L1
teeth_V	Number of teeth, form V	12			12	single limit (min), modeled at the limit	L1

Drawing

As a PDF: CC-DIN6798-SZ-M3.pdf.

The M3 form V serrated lock washer beside the M2.5 and the M4

The M3 is number 3, counting from the smallest, of the 7 DIN 6798 serrated lock washers published here, from M2 to M8.

• Inside diameter (d1): 3.2 mm on the M3 form V serrated lock washer, against 2.7 mm on the M2.5 and 4.3 mm on the M4.
• Outside diameter (d3): 6 mm on the M3 form V serrated lock washer, against 5.1 mm on the M2.5 and 8 mm on the M4.
• Sheet thickness (s2): 0.2 mm on the M3 form V serrated lock washer, against 0.2 mm on the M2.5 and 0.25 mm on the M4.
• Number of teeth (teeth_V): at least 12 on the M3 form V serrated lock washer, against at least 10 on the M2.5 and at least 14 on the M4.

The M3 form V serrated lock washer in its other forms

• M3 Serrated Lock Washer, Form A (External Teeth), DIN 6798: sheet thickness 0.4 mm, number of teeth at least 9.
• M3 Serrated Lock Washer, Form J (Internal Teeth), DIN 6798: sheet thickness 0.4 mm, number of teeth at least 7.

Other sizes

• One size smaller: M2.5 Serrated Lock Washer, Form V (Countersunk), DIN 6798, 2.7 mm hole, 5.5 mm OD.
• One size larger: M4 Serrated Lock Washer, Form V (Countersunk), DIN 6798, 4.3 mm hole, 8 mm OD.

Documents

• CC-DIN6798-DS-M3.pdf: M3 datasheet: values with levels, sources
• CC-DIN6798-SZ-M3.pdf: M3 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

bossard-bn786, engineersedge-din6798, fasten-it-din6798, globalfastener-din6798-a, globalfastener-din6798-j, globalfastener-din6798-v. Full citations: the method page and this size's datasheet.

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