M8 Serrated Lock Washer, Form V (Countersunk), DIN 6798

Made for M8 screws, this serrated lock washer (DIN 6798, form V, countersunk) has an 8.4 mm hole and is 15 mm across, 0.8 mm thick. It has 18 teeth. Download it as simplified STEP files.

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

• Also searched as: M8 washer
• Model id: din6798-v-m8
• Standard: DIN 6798:1988 · size M8

Files

Part key	Simplified
din6798-v-m8	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d1	Inside diameter	8.4	8.4	8.62	8.4	nominal	L1
d3	Outside diameter, form V		15.3	15.3	15.3	nominal	L1
s2	Sheet thickness, form V		0.4		0.4	nominal	L1
teeth_V	Number of teeth, form V	18			18	single limit (min), modeled at the limit	L1

Drawing

As a PDF: CC-DIN6798-SZ-M8.pdf.

The M8 form V serrated lock washer beside the M6

The M8 is the largest of the 7 DIN 6798 serrated lock washers published here, from M2 to M8.

• Inside diameter (d1): 8.4 mm on the M8 form V serrated lock washer, against 6.4 mm on the M6.
• Outside diameter (d3): 15.3 mm on the M8 form V serrated lock washer, against 11.8 mm on the M6.
• Sheet thickness (s2): 0.4 mm on the M8 form V serrated lock washer, the same on the M6.
• Number of teeth (teeth_V): at least 18 on the M8 form V serrated lock washer, against at least 16 on the M6.

The M8 form V serrated lock washer in its other forms

• M8 Serrated Lock Washer, Form A (External Teeth), DIN 6798: outside diameter 15 mm, sheet thickness 0.8 mm, number of teeth at least 14.
• M8 Serrated Lock Washer, Form J (Internal Teeth), DIN 6798: outside diameter 15 mm, sheet thickness 0.8 mm, number of teeth at least 10.

Other sizes

• One size smaller: M6 Serrated Lock Washer, Form V (Countersunk), DIN 6798, 6.4 mm hole, 11 mm OD.

Documents

• CC-DIN6798-DS-M8.pdf: M8 datasheet: values with levels, sources
• CC-DIN6798-SZ-M8.pdf: M8 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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