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M20 Form B Flat Washers (BS4320) - A4 Stainless Steel
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M20 Form B Flat Washers (BS4320) - A4 Stainless Steel

HTW-M20-A4

Key Features

  • M20 Metric Thread Size (20mm)
  • A4 Stainless Steel, also known as marine grade or 316 Stainless Steel. Details.
  • Nominal Size: M20 (20mm)
  • Internal Diameter (B): 21mm
  • External Diameter (D): 37mm
View Full Technical Specification.

Available In Other Materials & Finishes


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M20 Form B Flat Washers (BS4320) - A4 Stainless Steel Technical Specification

M20 Form B Flat Washers (BS4320) - A4 Stainless Steel Drawing
External Diameter (D)37mm
FinishSelf Colour
Internal Diameter (B)21mm
Manufacturing StandardBS4320
MaterialA4 Stainless Steel
Material SpecificationA4-70 Stainless Steel
Metric or Imperial?Metric
Nominal SizeM20 (20mm)
Thickness (T)2mm

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M20 Form B Flat Washers (BS4320) - A4 Stainless Steel Description

The M20 Form B Flat Washers (BS4320) - A4 Stainless Steel has the following features:

  • BS4320 Manufacturing Standard
  • 2mm Thickness (T)
  • A4 Stainless Steel Material
  • A4-70 Stainless Steel Material Specification
  • Self Colour Finish
  • +/- 0.13mm General Tolerance
  • Metric Metric or Imperial?
  • 37mm External Diameter (D)
  • 21mm Internal Diameter (B)
  • M20 (20mm) Nominal Size

Product Certifications

Signed Certificate of Conformity
Signed Certificate of Conformity
RoHS Compliant
RoHS Compliant
REACH Compliant
REACH Compliant

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Other Key Information

Shipping Destinations:Worldwide.
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Weight Band (100 items):Between 1kg and 5kg. Add to cart to calculcate exact weights.
Product First Available:Sunday, June 28, 2015
Stock Last Updated:11:56 am
Thursday, March 21, 2019
Specification Last Updated:Monday, February 25, 2019
APC (Accu Product Code):HTW-M20-A4
EAN13 (International Article No.):5054328318250
ASIN (Amazon Stock Identification No.):ASIN not defined.

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