1/2-13 UNC x 4 inch Slotted Countersunk Screws (ANSI B18.6.3) - Brass
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1/2-13 UNC x 4 inch Slotted Countersunk Screws (ANSI B18.6.3) - Brass

SFK-1/2-13-4-BR By AccuScrews
. Order within 01 hours, 51 minutes. Details. Find out when you will get it.
Location Get it by
Australia Wednesday, January 11, 2017
Canada Wednesday, January 11, 2017
Europe (EU) Tuesday, January 10, 2017
India Wednesday, January 11, 2017
Rest of World Wednesday, January 11, 2017
United Kingdom Monday, January 9, 2017
United States Tuesday, January 10, 2017
United Kingdom (Saturday) Saturday, January 7, 2017

Eligible for 30 day returns. Details.

Key Features


Not available online. Talk to our engineers.

£10.40 / each.

Manufactured to your order.
Allow 20 working days to dispatch.
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1/2-13 UNC x 4 inch Slotted Countersunk Screws (ANSI B18.6.3) - Brass Technical Specification

1/2-13 UNC x 4 inch Slotted Countersunk Screws (ANSI B18.6.3) - Brass Drawing
FinishSelf Colour
Head Diameter (D)0.815 inch
Head Length (H)0.223 inch
Manufacturing StandardANSI B18.6.3
MaterialBrass
Material SpecificationCZ121 Brass
Metric or Imperial?Imperial
Minimum Thread Length3/4 inch
Overall Length (L)4 inch
Pitch13 TPI
Slot Depth (F)0.815 inch
Slot Width (A)0.015 inch
Thread Size (T)1/2-13

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1/2-13 UNC x 4 inch Slotted Countersunk Screws (ANSI B18.6.3) - Brass Description

The 1/2-13 UNC x 4 inch Slotted Countersunk Screws (ANSI B18.6.3) - Brass has the following features:

  • 1/2-13 Thread Size (T)
  • 0.223 inch Head Length (H)
  • ANSI B18.6.3 Manufacturing Standard
  • 4 inch Overall Length (L)
  • 0.015 inch Slot Width (A)
  • 0.815 inch Slot Depth (F)
  • Brass Material
  • CZ121 Brass Material Specification
  • 13 TPI Pitch
  • Self Colour Finish
  • Imperial Metric or Imperial?
  • 0.815 inch Head Diameter (D)
  • 3/4 inch Minimum Thread Length

Other Key Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: Not defined.
Product First Available:Sunday, June 28, 2015
Stock Last Updated:02:08 PM
Sunday, December 11, 2016
Specification Last Updated:Monday, October 24, 2016
APC (Accu Product Code):SFK-1/2-13-4-BR
EAN13 (International Article No.):5057195251583
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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