View All Sizes / Materials
1/4-28 UNF Imperial Hexagon Nuts (ANSI B18.2.2) - Black A4 Stainless Steel
Images shown for graphic representation

1/4-28 UNF Imperial Hexagon Nuts (ANSI B18.2.2) - Black A4 Stainless Steel

HPN-1/4-28-A4-BL

. Order within 07 hours, 16 minutes. Details. Find out when you will get it.
Delivered To Get 294 pieces by:
Australia Friday, January 26, 2018
Austria Thursday, January 25, 2018
Belgium Thursday, January 25, 2018
Canada Friday, January 26, 2018
Czech Republic Thursday, January 25, 2018
Denmark Thursday, January 25, 2018
Europe (EU) Thursday, January 25, 2018
France Thursday, January 25, 2018
Germany Thursday, January 25, 2018
Hong Kong Friday, January 26, 2018
India Friday, January 26, 2018
Indonesia Friday, January 26, 2018
Ireland Thursday, January 25, 2018
Malaysia Friday, January 26, 2018
Mexico Friday, January 26, 2018
Netherlands Thursday, January 25, 2018
New Zealand Friday, January 26, 2018
Norway Thursday, January 25, 2018
Philippines Friday, January 26, 2018
Rest of World Friday, January 26, 2018
Singapore Friday, January 26, 2018
South Africa Friday, January 26, 2018
Sweden Thursday, January 25, 2018
Switzerland Thursday, January 25, 2018
Taiwan Thursday, January 25, 2018
Turkey Thursday, January 25, 2018
United Arab Emirates Friday, January 26, 2018
United Kingdom Wednesday, January 24, 2018
United States Thursday, January 25, 2018
United Kingdom (Saturday) Saturday, January 27, 2018

Available In Other Materials & Finishes


Key Features

  • 1/4-28 UNF imperial thread size
  • 0.438 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.
$0.73 / each.
Buy more & save
200 units$0.34 each53% Discount
400 units$0.27 each63% Discount
1000 units$0.24 each67% Discount
2000 units$0.20 each73% Discount
4000+ unitsGet A Quote
294 Stock This item may take 4 additional day to dispatch. Confirm delivery date at checkout. Need more than 294?
Buy online and we'll manufacture your components within 4 working days.
View Comparison
AccuScrews Components Official AccuScrews Product.

1/4-28 UNF Imperial Hexagon Nuts (ANSI B18.2.2) - Black A4 Stainless Steel Technical Specification

1/4-28 UNF Imperial Hexagon Nuts (ANSI B18.2.2) - Black A4 Stainless Steel Drawing
FinishChemical Matte Black
General Tolerances0.13mm
Manufacturing StandardANSI B18.2.2
MaterialA4 Stainless Steel - Black
Material SpecificationA4-70 Stainless Steel
Metric or Imperial?Imperial
Nut Length (T)0.226 inch
Nut Width A/F (F)0.438 inch
Nut Width A/P (C)0.506 inch
Thread Pitch28 TPI
Thread Size1/4-28

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.


1/4-28 UNF Imperial Hexagon Nuts (ANSI B18.2.2) - Black A4 Stainless Steel Description

The 1/4-28 UNF Imperial Hexagon Nuts (ANSI B18.2.2) - Black A4 Stainless Steel has the following features:

  • ANSI B18.2.2 Manufacturing Standard
  • Chemical Matte Black Finish
  • 0.438 inch Nut Width A/F (F)
  • 0.506 inch Nut Width A/P (C)
  • 0.226 inch Nut Length (T)
  • 28 TPI Thread Pitch
  • 0.13mm General Tolerances
  • Imperial Metric or Imperial?
  • A4 Stainless Steel - Black Material
  • 1/4-28 Thread Size
  • A4-70 Stainless Steel Material Specification

Other Key Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: 0.00kg.
Product First Available:Sunday, June 28, 2015
Stock Last Updated:08:43 AM
Wednesday, January 17, 2018
Specification Last Updated:Monday, December 18, 2017
APC (Accu Product Code):HPN-1/4-28-A4-BL
EAN13 (International Article No.):5057195013075
ASIN (Amazon Stock Identification No.):ASIN not defined.

Top