M12 AFNOR M-Type Serrated Conical Washers (NFE 25511)- Stainless Steel (A2)


Key Features

  • M12 Metric Thread Size (12mm)
  • 3 Year Extended Warranty.
  • Free Technical Support From Our Engineers.
  • A2 Stainless Steel, also known as 18-8 or 304 Stainless Steel.
  • Size: M12 (12mm)
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M12 AFNOR M-Type Serrated Conical Washers (NFE 25511)- Stainless Steel (A2) Technical Specification

M12 AFNOR M-Type Serrated Conical Washers (NFE 25511)- Stainless Steel (A2) Drawing
External Diameter (D)27mm
Internal Diameter [Max] (I)12.83mm
Manufacturing StandardNFE 25511
MaterialStainless Steel (A2)
Metric or Imperial?Metric
SizeM12 (12mm)
Uncompressed Height [Max] (U)3.1mm
Washer Thickness (T)1.8mm

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 AFNOR M-Type Serrated Conical Washers (NFE 25511)- Stainless Steel (A2) Description

The M12 AFNOR M-Type Serrated Conical Washers (NFE 25511)- Stainless Steel (A2) has the following features:

  • NFE 25511 Manufacturing Standard
  • Stainless Steel (A2) Material
  • Natural Finish
  • Metric Metric or Imperial?
  • 27mm External Diameter (D)
  • 3.1mm Uncompressed Height [Max] (U)
  • 12.83mm Internal Diameter [Max] (I)
  • 1.8mm Washer Thickness (T)
  • M12 (12mm) Size

Discover more about the AFNOR Serrated Conical Washers range.

AFNOR Serrated Conical Washers are designed to act as cone-shaped springs, and feature multiple radial grooves for enhanced resistance to rotation. The conical shape of these components provides a degree of elasticity, which makes these components suitable for pre-loading Precision Screws. The serrated pattern of this washer also provides a larger degree of grip after installation, making AFNOR Serrated Conical Washers resistant to vibration and loosening.

Accu's range of AFNOR Serrated Conical Washers are compliant with both the AFNOR specification and the manufacturing standard NFE 25514.

The AFNOR and NFE standards are French systems of standardisation which have largely been superseded by newer DIN and ISO standards, but are still popular in specialist applications and legacy projects.


AFNOR Serrated Conical Washers are manufactured from A2 and A4 Stainless Steel, with Chemical Blackening available on request.


Components in the AFNOR Serrated Conical Washer range are fully compatible with thread sizes of between M3 and M20.

Shipping Information

Shipping Destinations:Worldwide.
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Weight Band (100 items):Between 0.5kg and 1kg. Add to cart to calculate exact weights.

Component History

Product First Available:Monday, May 16, 2016
Stock Last Updated:11:40 pm
Sunday, January 23, 2022
Specification Last Updated:Sunday, January 23, 2022

APC / Barcodes

APC (Accu Product Code):HAFS-M12-A2
EAN13 (International Article No.):5057196426324
ASIN (Amazon Stock Identification No.):ASIN not defined.