1/2-20 UNF x 4 inch Imperial Cap Head Captives Screws (ANSI B18.3) - Black A2 Stainless Steel
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1/2-20 UNF x 4 inch Imperial Cap Head Captives Screws (ANSI B18.3) - Black A2 Stainless Steel

SSCA-1/2-20-4-A2-BL By AccuScrews
. Order within 19 hours, 33 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.

£13.25 / each.

Manufactured to your order.
Allow 16 working days to dispatch.
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1/2-20 UNF x 4 inch Imperial Cap Head Captives Screws (ANSI B18.3) - Black A2 Stainless Steel Technical Specification

1/2-20 UNF x 4 inch Imperial Cap Head Captives Screws (ANSI B18.3) - Black A2 Stainless Steel Drawing
Captive Diameter (d)0.417 inch
FinishChemical Matte Black
Head Diameter (D)0.75 inch
Head Length (H)0.5 inch
Hexagon A/F (A)3/8 inch
Hexagon Depth (P)0.245 inch
Length (L)4 inch
Manufacturing StandardANSI B18.3
MaterialA2 Stainless Steel - Black
Material SpecificationA2-70 Stainless Steel
Metric or Imperial?Imperial
Screw Thread Pitch20 TPI
Thread Length (E)1 inch
Thread Size (T)1/2-20

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1/2-20 UNF x 4 inch Imperial Cap Head Captives Screws (ANSI B18.3) - Black A2 Stainless Steel Description

The 1/2-20 UNF x 4 inch Imperial Cap Head Captives Screws (ANSI B18.3) - Black A2 Stainless Steel has the following features:

  • 1/2-20 Thread Size (T)
  • 0.5 inch Head Length (H)
  • 3/8 inch Hexagon A/F (A)
  • 0.245 inch Hexagon Depth (P)
  • ANSI B18.3 Manufacturing Standard
  • 4 inch Length (L)
  • 1 inch Thread Length (E)
  • A2 Stainless Steel - Black Material
  • A2-70 Stainless Steel Material Specification
  • 20 TPI Screw Thread Pitch
  • Chemical Matte Black Finish
  • Imperial Metric or Imperial?
  • 0.75 inch Head Diameter (D)
  • 0.417 inch Captive Diameter (d)

Other Key Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: Not defined.
Product First Available:Thursday, August 20, 2015
Stock Last Updated:08:26 PM
Sunday, December 4, 2016
Specification Last Updated:Wednesday, August 17, 2016
APC (Accu Product Code):SSCA-1/2-20-4-A2-BL
EAN13 (International Article No.):5057195661894
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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