1/4-20 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Black A2 Stainless Steel
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1/4-20 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Black A2 Stainless Steel

SSK-1/4-20-1/2-A2-BL By AccuScrews
. Order within 11 hours, 43 minutes. Details. Find out when you will get it.
Location Get it by
Australia Thursday, December 29, 2016
Canada Thursday, December 29, 2016
Europe (EU) Wednesday, December 28, 2016
India Thursday, December 29, 2016
Rest of World Thursday, December 29, 2016
United Kingdom Tuesday, December 27, 2016
United States Wednesday, December 28, 2016
United Kingdom (Saturday) Saturday, December 31, 2016

Eligible for 30 day returns. Details.

Key Features


Not available online. Talk to our engineers.

£0.69 / each.
Buy more & save
200 units£0.23 each67% Discount
400 units£0.18 each74% Discount
1000 units£0.16 each77% Discount
2000 units£0.15 each78% Discount

Manufactured to your order.
Allow 11 working days to dispatch.
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1/4-20 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Black A2 Stainless Steel Technical Specification

1/4-20 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Black A2 Stainless Steel Drawing
Countersunk Length (H)0.161 inch
FinishChemical Matte Black
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
MaterialA2 Stainless Steel - Black
Material SpecificationA2-70 Stainless Steel
Metric or Imperial?Imperial
Overall Length (L)1/2 inch
Screw Thread Pitch20 TPI
Thread Size (T)1/4-20

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1/4-20 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Black A2 Stainless Steel Description

The 1/4-20 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Black A2 Stainless Steel has the following features:

  • 1/4-20 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)
  • A2 Stainless Steel - Black Material
  • A2-70 Stainless Steel Material Specification
  • 20 TPI Screw Thread Pitch
  • Chemical Matte Black 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:04:16 AM
Sunday, December 11, 2016
Specification Last Updated:Wednesday, October 12, 2016
APC (Accu Product Code):SSK-1/4-20-1/2-A2-BL
EAN13 (International Article No.):5054328971882
ASIN (Amazon Stock Identification No.):ASIN not defined.

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Product Certifications

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


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