4x8 Shim Washer (Shim Ring), DIN 988

Made for 4x8 screws, this shim washer (DIN 988) has a 4 mm hole and is 8 mm across. Download it as 5 lengths from 0.1 to 1 mm, each as simplified STEP.

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

• Also searched as: 4x8 shim ring, 4x8 x 0.1 to 4x8 x 1 shim rings
• Model id: din988-4x8
• Standard: DIN 988:1990-03 · size 4x8

Lengths

Length (mm)	Part key	Simplified
0.1	din988-4x8x0-1	STEP
0.2	din988-4x8x0-2	STEP
0.3	din988-4x8x0-3	STEP
0.5	din988-4x8x0-5	STEP
1	din988-4x8x1	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d1	Inside diameter		4		4	nominal	L1
d2	Outside diameter		8		8	nominal	L1

Drawing

As a PDF: CC-DIN988-SZ-4x8.pdf.

The 4x8 shim washer beside the 3x6 and the 5x10

The 4x8 is number 2 of the 18 DIN 988 shim washers published here, listed from 3x6 to 20x28.

• Inside diameter (d1): 4 mm on the 4x8 shim washer, against 3 mm on the 3x6 and 5 mm on the 5x10.
• Outside diameter (d2): 8 mm on the 4x8 shim washer, against 6 mm on the 3x6 and 10 mm on the 5x10.

Other sizes

• One size smaller: 3x6 Shim Washer (Shim Ring), DIN 988, 3 mm hole, 6 mm OD.
• One size larger: 5x10 Shim Washer (Shim Ring), DIN 988, 5 mm hole, 10 mm OD.

Documents

• CC-DIN988-DS-4x8.pdf: 4x8 datasheet: values with levels, lengths, sources
• CC-DIN988-SZ-4x8.pdf: 4x8 drawing: this size's values on the views
• parts.json: the part record of every length (the platform contract)

Sources

fasten-it-din988, fasteners-eu-din988, schrauben-lexikon-din988. Full citations: the method page and this size's datasheet.

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