Nuts and washers

Shim washers, DIN 988

Shim washers to DIN 988 are thin spacers used to set axial play on shafts, bearings and gears in fine steps. The category covers 262 versions with inside diameters from 16 to 30 mm, outside diameters from 22 to 42 mm and thicknesses from 0.15 to 2 mm in plain steel.

Selection follows the shaft diameter, the space available for the outside diameter and the gap to be closed. Because the thicknesses are graded, play can be set by stacking several washers instead of reworking the adjacent parts.

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  1. Shim ring DIN 988, inside diameter 36 mm, outside diameter 45 mm, thickness 0.2 mm, bright steel
    €0.54
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Buying guide

How to choose Shim washers, DIN 988

What matters when choosing: properties, comparison and typical applications.

Technical data

⚡DIN 988 - inside diameter, outside diameter and thickness series of the shim washer are standardised
⚡262 versions - inside diameters 16 to 30 mm with outside diameters from 22 to 42 mm
⚡Thickness 0.15 to 2 mm - fine grading for play adjustment, several washers can be stacked
⚡Plain steel - material of the stocked versions, faces parallel
⚡Adjustment instead of rework - the target dimension is reached through washer thickness, not by machining

Applications

Shim washers are fitted in gearboxes, bearing seats and spindles where a defined axial play is required. In jig making they take up tolerances between stops and locators. During assembly they are placed against shaft shoulders, bearing inner rings or retaining rings.