M4 Solid Countersunk Washers (NF E 27-619) - Black Marine Stainless Steel (A4)


Key Features

  • M4 Metric Thread Size (4mm)
  • 1 Year Extended Warranty.
  • Free Technical Support From Our Engineers.
  • Custom Dimensions Available Through Our Custom Manufacture Service.
  • Size: M4 (4mm)
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M4 Solid Countersunk Washers (NF E 27-619) - Black Marine Stainless Steel (A4) Technical Specification

M4 Solid Countersunk Washers (NF E 27-619) - Black Marine Stainless Steel (A4) Drawing
Countersunk Angle90 Degrees
Countersunk Diameter (M)8mm
External Diameter (D)11mm
FinishMatte Black
Internal Diameter (N)4.3mm
Manufacturing StandardNF E 27-619
MaterialMarine Stainless Steel (A4)
Material SpecificationMarine Stainless Steel (A4)
Metric or Imperial?Metric
SizeM4 (4mm)
Washer Height (K)2.5mm

Product Certifications

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

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M4 Solid Countersunk Washers (NF E 27-619) - Black Marine Stainless Steel (A4) Description

The M4 Solid Countersunk Washers (NF E 27-619) - Black Marine Stainless Steel (A4) has the following features:

  • NF E 27-619 Manufacturing Standard
  • Marine Stainless Steel (A4) Material
  • Marine Stainless Steel (A4) Material Specification
  • 90 Degrees Countersunk Angle
  • Matte Black Finish
  • Metric Metric or Imperial?
  • 11mm External Diameter (D)
  • M4 (4mm) Size
  • 2.5mm Washer Height (K)
  • 8mm Countersunk Diameter (M)
  • 4.3mm Internal Diameter (N)

Discover more about the Metric Solid Countersunk Washers range.

Metric Countersunk Washers are designed as an alternate method of preparing a flat surface for use with countersunk screws. Countersunk Washers are primarily used for aesthetic reasons, or to allow Countersunk Screws to be used with flat surfaces. These components are machined into a solid shape with a flat base, which also enhances the load-bearing capabilities of a countersunk fastener.

For a lightweight stamped variant of this component, please see Accu's Finishing Washers range.

Countersunk Washer Materials

These components can be manufactured from AccuScrews’ full range of materials, including Aluminium, Brass, Phosphor Bronze and PEEK Thermoplastic. Chemical Matte Black Coatings can also be applied to all Stainless Steel components.

Metric Countersunk Washers

Countersunk Washers are available in metric sizes of between M3 and M10. Non-standard sizes can also be custom manufactured on customer request. Countersunk Washers are manufactured with a 90 degree countersink as standard. If alternative dimensions or countersunk angles are required, please contact us.

Shipping Information

Shipping Destinations:Worldwide.
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Weight: 0.00kg.

Component History

Product First Available:Sunday, June 28, 2015
Stock Last Updated:02:29 am
Thursday, January 20, 2022
Specification Last Updated:Thursday, January 20, 2022

APC / Barcodes

APC (Accu Product Code):HKW-M4-A4-BL
EAN13 (International Article No.):5054328956186
ASIN (Amazon Stock Identification No.):ASIN not defined.