View All Sizes / Materials
4-40 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Aluminium
Images shown for graphic representation

AccuScrews Components Official AccuScrews Product.

4-40 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Aluminium

SSK-4-40-1/2-AL

. Order within 00 hours, 07 minutes. Details. Find out when you will get it.
Deliverd To Get it by
Australia Friday, August 25, 2017
Austria Thursday, August 24, 2017
Belgium Thursday, August 24, 2017
Canada Friday, August 25, 2017
Czech Republic Thursday, August 24, 2017
Denmark Thursday, August 24, 2017
Europe (EU) Thursday, August 24, 2017
France Thursday, August 24, 2017
Germany Thursday, August 24, 2017
Hong Kong Friday, August 25, 2017
India Friday, August 25, 2017
Indonesia Friday, August 25, 2017
Ireland Thursday, August 24, 2017
Malaysia Friday, August 25, 2017
Mexico Friday, August 25, 2017
Netherlands Thursday, August 24, 2017
New Zealand Friday, August 25, 2017
Norway Thursday, August 24, 2017
Philippines Friday, August 25, 2017
Rest of World Friday, August 25, 2017
Singapore Friday, August 25, 2017
South Africa Friday, August 25, 2017
Sweden Thursday, August 24, 2017
Switzerland Thursday, August 24, 2017
Taiwan Thursday, August 24, 2017
Turkey Thursday, August 24, 2017
United Arab Emirates Friday, August 25, 2017
United Kingdom Wednesday, August 23, 2017
United States Thursday, August 24, 2017
United Kingdom (Saturday) Saturday, August 26, 2017

Available In Other Materials & Finishes


Key Features


Not available online. Talk to our engineers.
Eligible for 30 day returns. Details.

£2.67 / each.
Buy more & save
400 units£1.16 each57% Discount
800 units£0.90 each66% Discount
2000 units£0.74 each72% Discount
4000 units£0.69 each74% Discount
Manufactured to your order. Allow 20 working days to dispatch.
Buy online and we'll manufacture your components within 20 working days.
View Comparison

4-40 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Aluminium Technical Specification

4-40 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Aluminium Drawing
Countersunk Length (H)0.083 inch
FinishSelf Colour
General Tolerance+/- 0.13mm
Head Diameter [max] (D)0.255 inch
Hexagon A/F (A)1/16 inch
Hexagon Depth (P)0.055 inch
Manufacturing StandardANSI B18.3
MaterialAluminium
Material Specification7075 Aluminium
Metric or Imperial?Imperial
Overall Length (L)1/2 inch
Screw Thread Pitch40 TPI
Thread Size (T)4-40

See a problem with this specification? Let us know.


4-40 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Aluminium Description

The 4-40 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Aluminium has the following features:

  • 4-40 Thread Size (T)
  • 1/16 inch Hexagon A/F (A)
  • 0.055 inch Hexagon Depth (P)
  • ANSI B18.3 Manufacturing Standard
  • 1/2 inch Overall Length (L)
  • Aluminium Material
  • 7075 Aluminium Material Specification
  • 40 TPI Screw Thread Pitch
  • Self Colour Finish
  • +/- 0.13mm General Tolerance
  • Imperial Metric or Imperial?
  • 0.255 inch Head Diameter [max] (D)
  • 0.083 inch Countersunk Length (H)

Other Key Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: 0.00kg.
Product First Available:Sunday, June 28, 2015
Stock Last Updated:03:52 PM
Tuesday, July 25, 2017
Specification Last Updated:Wednesday, October 12, 2016
APC (Accu Product Code):SSK-4-40-1/2-AL
EAN13 (International Article No.):5057195146032
ASIN (Amazon Stock Identification No.):ASIN not defined.

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.

Product Certifications

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


Top