1/4-28 UNF x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - PEEK
Images shown for graphic representation

1/4-28 UNF x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - PEEK

SSK-1/4-28-1/2-PK By AccuScrews
. Order within 01 hours, 22 minutes. Details. Find out when you will get it.
Location Get it by
Australia Friday, January 6, 2017
Canada Friday, January 6, 2017
Europe (EU) Thursday, January 5, 2017
India Friday, January 6, 2017
Rest of World Friday, January 6, 2017
United Kingdom Wednesday, January 4, 2017
United States Thursday, January 5, 2017
United Kingdom (Saturday) Saturday, January 7, 2017

Eligible for 30 day returns. Details.

Key Features


Not available online. Talk to our engineers.

£2.17 / each.
Buy more & save
200 units£1.57 each28% Discount
500 units£1.24 each43% Discount
1000 units£1.09 each50% Discount

Manufactured to your order.
Allow 20 working days to dispatch.
View Comparison

1/4-28 UNF x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - PEEK Technical Specification

1/4-28 UNF x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - PEEK Drawing
Countersunk Length (H)0.161 inch
FinishSelf Colour
General Tolerance+/- 0.13mm
Head Diameter [max] (D)0.531 inch
Hexagon A/F (A)5/32 inch
Hexagon Depth (P)0.111 inch
Manufacturing StandardANSI B18.3
MaterialPEEK
Material SpecificationPEEK Thermoplastic
Metric or Imperial?Imperial
Overall Length (L)1/2 inch
Screw Thread Pitch28 TPI
Thread Size (T)1/4-28

Incorrect Specification? Report A Problem.


1/4-28 UNF x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - PEEK Description

The 1/4-28 UNF x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - PEEK has the following features:

  • 1/4-28 Thread Size (T)
  • 5/32 inch Hexagon A/F (A)
  • 0.111 inch Hexagon Depth (P)
  • ANSI B18.3 Manufacturing Standard
  • 1/2 inch Overall Length (L)
  • PEEK Material
  • PEEK Thermoplastic Material Specification
  • 28 TPI Screw Thread Pitch
  • Self Colour Finish
  • +/- 0.13mm General Tolerance
  • Imperial Metric or Imperial?
  • 0.531 inch Head Diameter [max] (D)
  • 0.161 inch Countersunk Length (H)

Other Key Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: Not defined.
Product First Available:Sunday, June 28, 2015
Stock Last Updated:02:37 PM
Tuesday, December 6, 2016
Specification Last Updated:Wednesday, October 12, 2016
APC (Accu Product Code):SSK-1/4-28-1/2-PK
EAN13 (International Article No.):5057195407041
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