M12 Belleville Washers (DIN 6796) - Black Marine Stainless Steel (A4)


Key Features

  • M12 Metric Thread Size (12mm)
  • For Use With Thread Size: M12 (12mm)
  • External Diameter (OD): 29mm
  • Thickness (T): 3mm
  • Material: Marine Stainless Steel (A4)
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M12 Belleville Washers (DIN 6796) - Black Marine Stainless Steel (A4) Technical Specification

M12 Belleville Washers (DIN 6796) - Black Marine Stainless Steel (A4) Drawing
Concave Depth (Hr) [Approx]0.43mm-0.95mm
External Diameter (OD)29mm
FinishMatte Black
For Use With Thread SizeM12 (12mm)
Internal Diameter (ID)13mm
Manufacturing StandardDIN 6796
MaterialMarine Stainless Steel (A4)
Material SpecificationMarine Stainless Steel (A4)
Metric or Imperial?Metric
Thickness (T)3mm
Uncompressed Height (Hf)3.43mm-3.95mm

Product Certifications

Certificate of Conformity Included
Certificate of Conformity Included
RoHS Certified
RoHS Certified
REACH Certified
REACH Certified
Quality Approved

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M12 Belleville Washers (DIN 6796) - Black Marine Stainless Steel (A4) Description

The M12 Belleville Washers (DIN 6796) - Black Marine Stainless Steel (A4) has the following features:

  • DIN 6796 Manufacturing Standard
  • 13mm Internal Diameter (ID)
  • 29mm External Diameter (OD)
  • 3mm Thickness (T)
  • Marine Stainless Steel (A4) Material
  • Marine Stainless Steel (A4) Material Specification
  • Matte Black Finish
  • Metric Metric or Imperial?
  • 3.43mm-3.95mm Uncompressed Height (Hf)
  • 0.43mm-0.95mm Concave Depth (Hr) [Approx]
  • M12 (12mm) For Use With Thread Size

Discover more about the Belleville Washers range

Belleville Washers (also called Conical Washers or Belleville Springs) are part of our extensive range of Washers and they are designed to act as cone-shaped springs, and are often used to pre-load a fastener. Stainless Steel Belleville Washers are intended to be flexible, and because of their conical shape, Belleville Washers create near-perfect concentric force dispersal. Due to popular request, the range has recently expanded to include acetal belleville washers and these plastic belleville washers are now available as standard.

Conical Belleville Washers are highly versatile, and can be installed in different positions for different effects. Two Belleville Washers installed facing the same direction will create a more rigid pre-load structure, whereas two washers facing in opposite directions will create a more flexible spring. Multiple Belleville Washers can be used in series to create very precise deflection forces, increasing or decreasing the force dependent on the direction of each washer.


These components can be manufactured from Acetal, A2 and A4 Stainless Steel as standard, with Chemical Matte Black Coatings available on request.

Metric Belleville Washers

Belleville Washers are available in metric diameters of between M3 and M24, and are manufactured to a general tolerance of +/-0.13mm.

Shipping Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: 0.01kg.

Component History

Product First Available:Sunday, June 28, 2015
Stock Last Updated:01:32 am
Wednesday, October 27, 2021
Specification Last Updated:Tuesday, October 26, 2021

APC / Barcodes

APC (Accu Product Code):HBW-M12-A4-BL
EAN13 (International Article No.):5057195080794
ASIN (Amazon Stock Identification No.):ASIN not defined.