SPIROL offers the full range of DIN EN 16983 (formerly DIN 2093) Group 1 and 2 Disc Springs in Series A, B, and C. In addition to the DIN specified sizes, SPIROL stocks its own standard sizes with outside diameters ranging from Ø8mm to Ø200mm. SPIROL Standard Disc Springs were designed around the standardized calculations of DIN EN 16984 (formerly DIN 2092), and meet all material, dimensional tolerance, and quality specifications as laid out in DIN EN 16983 (formerly DIN 2093) yet offer an expansion in the diameter and thickness combinations that are not included in the DIN standard. Standard materials include carbon steel and alloy steel, both finished with a protective coating of zinc phosphate and oil.

If you don’t see what you are looking for in our standard offering (including size, quantity, stacks, etc.), please feel free to Request a Quote or contact SPIROL directly for complimentary Application Engineering assistance!

Note: All pricing is based on small box quantities. Please contact SPIROL directly for high volume quotes!

Disc Springs are available as single Discs or pre-stacked in custom configurations.
Unit of Measure
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Item #

Units per Box

DIN EN Series

Bolt Size

External Diameter (De)

Internal Diameter (Di)

Material Thickness (t)

Free Height (lo)

Free Cone Height (ho)

Material Type

Finish

Price per Package Unit

660000 N/A 500 N/A N/A N/A M3 N/A 8 mm
[.315 in]
N/A 3.2 mm
[.126 in]
N/A 0.2 mm
[.008 in]
N/A 0.4 mm
[.015 in]
N/A 0.2 mm
[.007 in]
N/A High Carbon Steel N/A Phosphate and Oil 154.71 CAD
660001 N/A 500 N/A N/A N/A M3 N/A 8 mm
[.315 in]
N/A 3.2 mm
[.126 in]
N/A 0.3 mm
[.012 in]
N/A 0.55 mm
[.022 in]
N/A 0.25 mm
[.010 in]
N/A High Carbon Steel N/A Phosphate and Oil 154.71 CAD
660002 N/A 500 N/A N/A N/A M3 N/A 8 mm
[.315 in]
N/A 3.2 mm
[.126 in]
N/A 0.4 mm
[.016 in]
N/A 0.6 mm
[.024 in]
N/A 0.2 mm
[.008 in]
N/A High Carbon Steel N/A Phosphate and Oil 154.71 CAD
660003 N/A 450 N/A N/A N/A M3 N/A 8 mm
[.315 in]
N/A 3.2 mm
[.126 in]
N/A 0.5 mm
[.020 in]
N/A 0.7 mm
[.028 in]
N/A 0.2 mm
[.008 in]
N/A High Carbon Steel N/A Phosphate and Oil 155.71 CAD
660004 N/A 500 N/A C N/A M4 N/A 8 mm
[.315 in]
N/A 4.2 mm
[.165 in]
N/A 0.2 mm
[.008 in]
N/A 0.45 mm
[.018 in]
N/A 0.25 mm
[.010 in]
N/A High Carbon Steel N/A Phosphate and Oil 149.45 CAD
660005 N/A 500 N/A B N/A M4 N/A 8 mm
[.315 in]
N/A 4.2 mm
[.165 in]
N/A 0.3 mm
[.012 in]
N/A 0.55 mm
[.022 in]
N/A 0.25 mm
[.010 in]
N/A High Carbon Steel N/A Phosphate and Oil 154.71 CAD
660006 N/A 500 N/A A N/A M4 N/A 8 mm
[.315 in]
N/A 4.2 mm
[.165 in]
N/A 0.4 mm
[.016 in]
N/A 0.6 mm
[.024 in]
N/A 0.2 mm
[.008 in]
N/A High Carbon Steel N/A Phosphate and Oil 154.71 CAD
660007 N/A 500 N/A N/A N/A M3 N/A 10 mm
[.394 in]
N/A 3.2 mm
[.126 in]
N/A 0.3 mm
[.012 in]
N/A 0.65 mm
[.026 in]
N/A 0.35 mm
[.014 in]
N/A High Carbon Steel N/A Phosphate and Oil 154.71 CAD
660008 N/A 400 N/A N/A N/A M3 N/A 10 mm
[.394 in]
N/A 3.2 mm
[.126 in]
N/A 0.5 mm
[.020 in]
N/A 0.85 mm
[.033 in]
N/A 0.35 mm
[.013 in]
N/A High Carbon Steel N/A Phosphate and Oil 138.41 CAD
660009 N/A 400 N/A N/A N/A M4 N/A 10 mm
[.394 in]
N/A 4.2 mm
[.165 in]
N/A 0.4 mm
[.016 in]
N/A 0.7 mm
[.028 in]
N/A 0.3 mm
[.012 in]
N/A High Carbon Steel N/A Phosphate and Oil 133.53 CAD
660010 N/A 400 N/A N/A N/A M4 N/A 10 mm
[.394 in]
N/A 4.2 mm
[.165 in]
N/A 0.5 mm
[.020 in]
N/A 0.75 mm
[.030 in]
N/A 0.25 mm
[.010 in]
N/A High Carbon Steel N/A Phosphate and Oil 148.17 CAD
660011 N/A 400 N/A N/A N/A M4 N/A 10 mm
[.394 in]
N/A 4.2 mm
[.165 in]
N/A 0.6 mm
[.024 in]
N/A 0.85 mm
[.033 in]
N/A 0.25 mm
[.009 in]
N/A High Carbon Steel N/A Phosphate and Oil 148.17 CAD
660012 N/A 500 N/A C N/A M5 N/A 10 mm
[.394 in]
N/A 5.2 mm
[.205 in]
N/A 0.25 mm
[.010 in]
N/A 0.55 mm
[.022 in]
N/A 0.3 mm
[.012 in]
N/A High Carbon Steel N/A Phosphate and Oil 149.45 CAD
660013 N/A 500 N/A B N/A M5 N/A 10 mm
[.394 in]
N/A 5.2 mm
[.205 in]
N/A 0.4 mm
[.016 in]
N/A 0.7 mm
[.028 in]
N/A 0.3 mm
[.012 in]
N/A High Carbon Steel N/A Phosphate and Oil 154.71 CAD
660014 N/A 400 N/A A N/A M5 N/A 10 mm
[.394 in]
N/A 5.2 mm
[.205 in]
N/A 0.5 mm
[.020 in]
N/A 0.75 mm
[.030 in]
N/A 0.25 mm
[.010 in]
N/A High Carbon Steel N/A Phosphate and Oil 138.41 CAD
660015 N/A 350 N/A N/A N/A M4 N/A 12 mm
[.472 in]
N/A 4.2 mm
[.165 in]
N/A 0.4 mm
[.016 in]
N/A 0.8 mm
[.031 in]
N/A 0.4 mm
[.015 in]
N/A High Carbon Steel N/A Phosphate and Oil 150.22 CAD
660016 N/A 300 N/A N/A N/A M4 N/A 12 mm
[.472 in]
N/A 4.2 mm
[.165 in]
N/A 0.5 mm
[.020 in]
N/A 0.9 mm
[.035 in]
N/A 0.4 mm
[.015 in]
N/A High Carbon Steel N/A Phosphate and Oil 136.08 CAD
660017 N/A 300 N/A N/A N/A M5 N/A 12 mm
[.472 in]
N/A 5.2 mm
[.205 in]
N/A 0.4 mm
[.016 in]
N/A 0.8 mm
[.031 in]
N/A 0.4 mm
[.015 in]
N/A High Carbon Steel N/A Phosphate and Oil 136.08 CAD
660018 N/A 300 N/A N/A N/A M5 N/A 12 mm
[.472 in]
N/A 5.2 mm
[.205 in]
N/A 0.5 mm
[.020 in]
N/A 0.9 mm
[.035 in]
N/A 0.4 mm
[.015 in]
N/A High Carbon Steel N/A Phosphate and Oil 136.08 CAD
660019 N/A 300 N/A N/A N/A M5 N/A 12 mm
[.472 in]
N/A 5.2 mm
[.205 in]
N/A 0.6 mm
[.024 in]
N/A 0.95 mm
[.037 in]
N/A 0.35 mm
[.013 in]
N/A High Carbon Steel N/A Phosphate and Oil 146.72 CAD
660020 N/A 300 N/A N/A N/A M5 N/A 12 mm
[.472 in]
N/A 5.2 mm
[.205 in]
N/A 0.8 mm
[.031 in]
N/A 1.1 mm
[.043 in]
N/A 0.3 mm
[.012 in]
N/A High Carbon Steel N/A Phosphate and Oil 146.72 CAD
660021 N/A 300 N/A N/A N/A M6 N/A 12 mm
[.472 in]
N/A 6.2 mm
[.244 in]
N/A 0.5 mm
[.020 in]
N/A 0.85 mm
[.033 in]
N/A 0.35 mm
[.013 in]
N/A High Carbon Steel N/A Phosphate and Oil 136.08 CAD
660022 N/A 300 N/A N/A N/A M6 N/A 12 mm
[.472 in]
N/A 6.2 mm
[.244 in]
N/A 0.6 mm
[.024 in]
N/A 0.95 mm
[.037 in]
N/A 0.35 mm
[.013 in]
N/A High Carbon Steel N/A Phosphate and Oil 142.91 CAD
660023 N/A 300 N/A N/A N/A M6 N/A 12 mm
[.472 in]
N/A 6.2 mm
[.244 in]
N/A 0.8 mm
[.031 in]
N/A 1.1 mm
[.043 in]
N/A 0.3 mm
[.012 in]
N/A High Carbon Steel N/A Phosphate and Oil 142.91 CAD
660024 N/A 300 N/A C N/A M6 N/A 12.5 mm
[.492 in]
N/A 6.2 mm
[.244 in]
N/A 0.35 mm
[.014 in]
N/A 0.8 mm
[.031 in]
N/A 0.45 mm
[.017 in]
N/A High Carbon Steel N/A Phosphate and Oil 121.61 CAD
Unit of Measure
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