No.4 Flat Washers (ASME B18.21.1) - Marine Stainless Steel (A4)

HPW-No.4-A4

Key Features

  • 3 Year Extended Warranty.
  • Free Technical Support From Our Engineers.
  • A4 Stainless Steel, also known as marine grade or 316 Stainless Steel. Details.
  • Internal Diameter (B): 0.125 inch
  • External Diameter (D): 0.312 inch
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No.4 Flat Washers (ASME B18.21.1) - Marine Stainless Steel (A4) Technical Specification

No.4 Flat Washers (ASME B18.21.1) - Marine Stainless Steel (A4) Drawing
External Diameter (D)0.312 inch
FinishNatural
General Tolerance+/- 0.13mm
Internal Diameter (B)0.125 inch
Manufacturing StandardASME B18.21.1
MaterialMarine Stainless Steel (A4)
Material SpecificationMarine Stainless Steel (A4)
Metric or Imperial?Imperial
SizeNo.4
Thickness (T)0.032 inch

Product Certifications

Certificate of Conformity Included
Certificate of Conformity Included
RoHS Certified
RoHS Certified
REACH Certified
REACH Certified
ISO9001
ISO9001
Quality Approved

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No.4 Flat Washers (ASME B18.21.1) - Marine Stainless Steel (A4) Description

The No.4 Flat Washers (ASME B18.21.1) - Marine Stainless Steel (A4) has the following features:

  • ASME B18.21.1 Manufacturing Standard
  • 0.032 inch Thickness (T)
  • Marine Stainless Steel (A4) Material
  • Marine Stainless Steel (A4) Material Specification
  • Natural Finish
  • +/- 0.13mm General Tolerance
  • Imperial Metric or Imperial?
  • 0.312 inch External Diameter (D)
  • 0.125 inch Internal Diameter (B)
  • No.4 Size

Discover more about the Imperial Flat Washers range.

Imperial Flat Washers are designed primarily to enhance the load-bearing capabilities of a threaded fastener, and are compatible with a wide range of Precision Screws. Flat Washers have a wide range of applications, including spacing, pre-load indication, and wear-protection.

Imperial Flat Washer Sizing

Products within the Imperial Flat Washer range are available to suit thread sizes of between No.0 and 2 inches.


Shipping Information

Shipping Destinations:Worldwide.
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Weight Band (100 items):Less than 0.1kg. Add to cart to calculate exact weights.

Component History

Product First Available:Sunday, June 28, 2015
Stock Last Updated:02:46 am
Thursday, January 20, 2022
Specification Last Updated:Thursday, January 20, 2022

APC / Barcodes

APC (Accu Product Code):HPW-No.4-A4
EAN13 (International Article No.):5054328188303
ASIN (Amazon Stock Identification No.):ASIN not defined.