View All Sizes / Materials
1/2-13 UNC x 2.1/2 inch Socket Countersunk Screws (ANSI B18.3) - A4 Stainless Steel
Images shown for graphic representation

AccuScrews Components Official AccuScrews Product.

1/2-13 UNC x 2.1/2 inch Socket Countersunk Screws (ANSI B18.3) - A4 Stainless Steel

SSK-1/2-13-2.1/2-A4

. Order within 1 days, 06 hours, 46 minutes. Details. Find out when you will get it.
Deliverd To Get 1 pieces by:
Australia Tuesday, June 20, 2017
Belgium Monday, June 19, 2017
Canada Tuesday, June 20, 2017
Europe (EU) Monday, June 19, 2017
India Tuesday, June 20, 2017
Ireland Monday, June 19, 2017
Mexico Tuesday, June 20, 2017
Rest of World Tuesday, June 20, 2017
United Kingdom Friday, June 16, 2017
United States Monday, June 19, 2017
United Kingdom (Saturday) Saturday, June 17, 2017

Available In Other Materials & Finishes


Key Features


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

£14.69 / each.
Buy more & save
2 units£13.27 each10% Discount
4 units£11.97 each19% Discount
10 units£10.77 each27% Discount
20 units£9.68 each34% Discount
1 Stock This item may take 15 additional day to dispatch. Confirm delivery date at checkout. Need more?
Buy online and we'll manufacture your components within 15 working days.
View Comparison

1/2-13 UNC x 2.1/2 inch Socket Countersunk Screws (ANSI B18.3) - A4 Stainless Steel Technical Specification

1/2-13 UNC x 2.1/2 inch Socket Countersunk Screws (ANSI B18.3) - A4 Stainless Steel Drawing
Countersunk Length (H)0.251 inch
FinishSelf Colour
General Tolerance+/- 0.13mm
Head Diameter [max] (D)0.938 inch
Hexagon A/F (A)5/16 inch
Hexagon Depth (P)0.172 inch
Manufacturing StandardANSI B18.3
MaterialA4 Stainless Steel
Material SpecificationA4-70 Stainless Steel
Metric or Imperial?Imperial
Overall Length (L)2.1/2 inch
Screw Thread Pitch13 TPI
Thread Size (T)1/2-13

See a problem with this specification? Let us know.


1/2-13 UNC x 2.1/2 inch Socket Countersunk Screws (ANSI B18.3) - A4 Stainless Steel Description

The 1/2-13 UNC x 2.1/2 inch Socket Countersunk Screws (ANSI B18.3) - A4 Stainless Steel has the following features:

  • 1/2-13 Thread Size (T)
  • 5/16 inch Hexagon A/F (A)
  • 0.172 inch Hexagon Depth (P)
  • ANSI B18.3 Manufacturing Standard
  • 2.1/2 inch Overall Length (L)
  • A4 Stainless Steel Material
  • A4-70 Stainless Steel Material Specification
  • 13 TPI Screw Thread Pitch
  • Self Colour Finish
  • +/- 0.13mm General Tolerance
  • Imperial Metric or Imperial?
  • 0.938 inch Head Diameter [max] (D)
  • 0.251 inch Countersunk Length (H)

Other Key Information

Shipping Destinations:Worldwide.
View delivery information.
Weight Band (100 items):Over 5kg. Add to cart to calculcate exact weights.
Product First Available:Sunday, June 28, 2015
Stock Last Updated:09:13 AM
Wednesday, May 24, 2017
Specification Last Updated:Wednesday, October 12, 2016
APC (Accu Product Code):SSK-1/2-13-2.1/2-A4
EAN13 (International Article No.):5054328148284
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