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4-40 UNC x 1/2 inch Socket Button Screws (ANSI B18.3) - Black A2 Stainless Steel
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AccuScrews Components Official AccuScrews Product.

4-40 UNC x 1/2 inch Socket Button Screws (ANSI B18.3) - Black A2 Stainless Steel

SSB-4-40-1/2-A2-BL

. Order within 10 hours, 48 minutes. Details. Find out when you will get it.
Deliverd To Get it by
Australia Wednesday, May 17, 2017
Belgium Tuesday, May 16, 2017
Canada Wednesday, May 17, 2017
Europe (EU) Tuesday, May 16, 2017
India Wednesday, May 17, 2017
Ireland Tuesday, May 16, 2017
Mexico Wednesday, May 17, 2017
Rest of World Wednesday, May 17, 2017
United Kingdom Monday, May 15, 2017
United States Tuesday, May 16, 2017
United Kingdom (Saturday) Saturday, May 13, 2017

Available In Other Materials & Finishes


Key Features


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

£0.15 / each.
Buy more & save
400 units£0.13 each13% Discount
800 units£0.11 each27% Discount
2000 units£0.10 each33% Discount
4000 units£0.09 each40% Discount
Manufactured to your order. Allow 11 working days to dispatch.
Buy online and we'll manufacture your components within 11 working days.
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4-40 UNC x 1/2 inch Socket Button Screws (ANSI B18.3) - Black A2 Stainless Steel Technical Specification

4-40 UNC x 1/2 inch Socket Button Screws (ANSI B18.3) - Black A2 Stainless Steel Drawing
FinishChemical Matt Black
Hexagon Socket A/F (A)1/16 inch
Length (L)1/2 inch
Manufacturing StandardANSI B18.3
MaterialA2 Stainless Steel - Black
Material SpecificationA2-70 Stainless Steel
Maximum Head Diameter (D)0.213 inch
Maximum Head Length (H)0.059 inch
Metric or Imperial?Imperial
Minimum Hexagon Socket Depth (P)0.035 inch
Screw Thread Pitch40 TPI
Thread Size4-40

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4-40 UNC x 1/2 inch Socket Button Screws (ANSI B18.3) - Black A2 Stainless Steel Description

The 4-40 UNC x 1/2 inch Socket Button Screws (ANSI B18.3) - Black A2 Stainless Steel has the following features:

  • ANSI B18.3 Manufacturing Standard
  • 1/2 inch Length (L)
  • A2 Stainless Steel - Black Material
  • A2-70 Stainless Steel Material Specification
  • 40 TPI Screw Thread Pitch
  • 1/16 inch Hexagon Socket A/F (A)
  • Chemical Matt Black Finish
  • Imperial Metric or Imperial?
  • 4-40 Thread Size
  • 0.059 inch Maximum Head Length (H)
  • 0.035 inch Minimum Hexagon Socket Depth (P)
  • 0.213 inch Maximum Head Diameter (D)

Other Key Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: 0.60kg.
Product First Available:Sunday, June 28, 2015
Stock Last Updated:05:11 AM
Thursday, April 27, 2017
Specification Last Updated:Tuesday, February 21, 2017
APC (Accu Product Code):SSB-4-40-1/2-A2-BL
EAN13 (International Article No.):5054328967472
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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