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FULLERKREG DIN 988 shim rings are precision-stamped thin flat rings used for precise axial adjustment of bearings, shafts, and mechanical assemblies — setting bearing preload, eliminating axial play, and achieving precise dimensional tolerances in rotating machinery, gearboxes, and precision equipment. Available in stainless steel and carbon steel. Select your material below.
| [Photo 1] | [Photo 2] | [Photo 3] | [Photo 4] |
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DIN 988 Shim Rings — A2 Stainless Steel (SUS304), Whitened & Passivated Ø3–200mm | 0.1/0.2/0.3/0.5/1.0/2.0/3.0 mm | H11/h11 | Corrosion resistant — machinery, food-grade, mild corrosive environments |
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DIN 988 Shim Rings — Carbon Steel, Bare (Uncoated) Ø3–200mm | 0.1/0.2/0.3/0.5/1.0/2.0/3.0 mm | H11/h11 | Highest dimensional accuracy — oil-lubricated gearboxes, sealed machinery, tooling |
| Material | Surface | Size Range | Best For |
|---|---|---|---|
| A2 / SUS304 | Whitened & Passivated | Ø3–200mm | Machinery, food-grade, corrosive environments |
| Carbon Steel | Bare (Uncoated) | Ø3–200mm | Oil-lubricated gearboxes, sealed assemblies, tooling |
| Thickness s (mm) | Tolerance | Available in |
|---|---|---|
| 0.1 | ±0.010 mm | All sizes |
| 0.2 | ±0.010 mm | All sizes |
| 0.3 | ±0.010 mm | All sizes |
| 0.5 | ±0.010 mm | All sizes |
| 1.0 | ±0.015 mm | All sizes |
| 2.0 | ±0.015 mm | Ø10 mm and above |
| 3.0 | ±0.015 mm | Ø30 mm and above |
Can’t find the material, size, or thickness you need? Contact FULLERKREG — additional configurations and custom sizes available on request.
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