Black Friday - 20% Off Everything Until Sunday. Use Code: BLACKFRIDAY.
View All Sizes / Materials
4-40 UNC Imperial Hexagon Nuts (ANSI B18.6.3) - Black A4 Stainless Steel
Images shown for graphic representation

4-40 UNC Imperial Hexagon Nuts (ANSI B18.6.3) - Black A4 Stainless Steel

HPN-4-40-A4-BL

. Order within 2 days, 18 hours, 42 minutes. Details. Find out when you will get it.
Delivered To Get 686 pieces by:
Australia Wednesday, December 6, 2017
Austria Tuesday, December 5, 2017
Belgium Tuesday, December 5, 2017
Canada Wednesday, December 6, 2017
Czech Republic Tuesday, December 5, 2017
Denmark Tuesday, December 5, 2017
Europe (EU) Tuesday, December 5, 2017
France Tuesday, December 5, 2017
Germany Tuesday, December 5, 2017
Hong Kong Wednesday, December 6, 2017
India Wednesday, December 6, 2017
Indonesia Wednesday, December 6, 2017
Ireland Tuesday, December 5, 2017
Malaysia Wednesday, December 6, 2017
Mexico Wednesday, December 6, 2017
Netherlands Tuesday, December 5, 2017
New Zealand Wednesday, December 6, 2017
Norway Tuesday, December 5, 2017
Philippines Wednesday, December 6, 2017
Rest of World Wednesday, December 6, 2017
Singapore Wednesday, December 6, 2017
South Africa Wednesday, December 6, 2017
Sweden Tuesday, December 5, 2017
Switzerland Tuesday, December 5, 2017
Taiwan Tuesday, December 5, 2017
Turkey Tuesday, December 5, 2017
United Arab Emirates Wednesday, December 6, 2017
United Kingdom Monday, December 4, 2017
United States Tuesday, December 5, 2017
United Kingdom (Saturday) Saturday, December 2, 2017

Key Features

  • 4-40 UNC imperial thread size
  • 0.250 inch total nut width
  • A4-70 cold-worked Stainless Steel, also known as marine grade or 316 Stainless Steel
  • Treated with a chemical matte black coating
  • Metric or Imperial?: Imperial
View the full technical specification
Not available online. Talk to our engineers.
Eligible for 30 day returns. Details.
$0.30 / each.
Buy more & save
200 units$0.23 each22% Discount
400 units$0.19 each36% Discount
1000 units$0.17 each45% Discount
2000 units$0.15 each49% Discount
4000+ unitsGet A Quote
686 Stock This item may take 4 additional day to dispatch. Confirm delivery date at checkout. Need more than 686?
Buy online and we'll manufacture your components within 4 working days.
View Comparison
AccuScrews Components Official AccuScrews Product.

4-40 UNC Imperial Hexagon Nuts (ANSI B18.6.3) - Black A4 Stainless Steel Technical Specification

4-40 UNC Imperial Hexagon Nuts (ANSI B18.6.3) - Black A4 Stainless Steel Drawing
FinishChemical Matte Black
General Tolerances0.13mm
Manufacturing StandardANSI B18.6.3
MaterialA4 Stainless Steel - Black
Material SpecificationA4-70 Stainless Steel
Metric or Imperial?Imperial
Nut Length (T)0.098 inch
Nut Width A/F (F)0.250 inch
Nut Width A/P (C)0.289 inch
Thread Pitch40 TPI
Thread Size4-40

See a problem with this specification? Let us know.


Product Certifications

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

3D Models

3D models are only available to registered customers.

To view and download models from our 3D library, please log in or sign up.


4-40 UNC Imperial Hexagon Nuts (ANSI B18.6.3) - Black A4 Stainless Steel Description

The 4-40 UNC Imperial Hexagon Nuts (ANSI B18.6.3) - Black A4 Stainless Steel has the following features:

  • 40 TPI Thread Pitch
  • 0.13mm General Tolerances
  • Imperial Metric or Imperial?
  • A4 Stainless Steel - Black Material
  • 4-40 Thread Size
  • A4-70 Stainless Steel Material Specification
  • ANSI B18.6.3 Manufacturing Standard
  • Chemical Matte Black Finish
  • 0.250 inch Nut Width A/F (F)
  • 0.289 inch Nut Width A/P (C)
  • 0.098 inch Nut Length (T)

Other Key Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: 0.00kg.
Product First Available:Sunday, June 28, 2015
Stock Last Updated:10:32 PM
Friday, November 24, 2017
Specification Last Updated:Wednesday, October 18, 2017
APC (Accu Product Code):HPN-4-40-A4-BL
EAN13 (International Article No.):5057195012993
ASIN (Amazon Stock Identification No.):ASIN not defined.

Top