5/16-18 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Black A4 Stainless Steel
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5/16-18 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Black A4 Stainless Steel

SSK-5/16-18-1/2-A4-BL By AccuScrews
. Order within 08 hours, 06 minutes. Details. Find out when you will get it.
Location Get it by
Australia Wednesday, December 28, 2016
Canada Wednesday, December 28, 2016
Europe (EU) Tuesday, December 27, 2016
India Wednesday, December 28, 2016
Rest of World Wednesday, December 28, 2016
United Kingdom Monday, December 26, 2016
United States Tuesday, December 27, 2016
United Kingdom (Saturday) Saturday, December 24, 2016

Eligible for 30 day returns. Details.

Key Features


Not available online. Talk to our engineers.

£2.85 / each.
Buy more & save
50 units£1.89 each34% Discount
100 units£1.61 each44% Discount

Manufactured to your order.
Allow 11 working days to dispatch.
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5/16-18 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Black A4 Stainless Steel Technical Specification

5/16-18 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Black A4 Stainless Steel Drawing
Countersunk Length (H)0.198 inch
FinishChemical Matte Black
General Tolerance+/- 0.13mm
Head Diameter [max] (D)0.656 inch
Hexagon A/F (A)3/16 inch
Hexagon Depth (P)0.135 inch
Manufacturing StandardANSI B18.3
MaterialA4 Stainless Steel - Black
Material SpecificationA4-70 Stainless Steel
Metric or Imperial?Imperial
Overall Length (L)1/2 inch
Screw Thread Pitch18 TPI
Thread Size (T)5/16-18

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5/16-18 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Black A4 Stainless Steel Description

The 5/16-18 UNC x 1/2 inch Socket Countersunk Screws (ANSI B18.3) - Black A4 Stainless Steel has the following features:

  • 5/16-18 Thread Size (T)
  • 3/16 inch Hexagon A/F (A)
  • 0.135 inch Hexagon Depth (P)
  • ANSI B18.3 Manufacturing Standard
  • 1/2 inch Overall Length (L)
  • A4 Stainless Steel - Black Material
  • A4-70 Stainless Steel Material Specification
  • 18 TPI Screw Thread Pitch
  • Chemical Matte Black Finish
  • +/- 0.13mm General Tolerance
  • Imperial Metric or Imperial?
  • 0.656 inch Head Diameter [max] (D)
  • 0.198 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:07:53 AM
Thursday, December 8, 2016
Specification Last Updated:Wednesday, October 12, 2016
APC (Accu Product Code):SSK-5/16-18-1/2-A4-BL
EAN13 (International Article No.):5054328974098
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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