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4-40 UNC x 3/8 inch Socket Countersunk Screws (ANSI B18.3) - Aluminium
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4-40 UNC x 3/8 inch Socket Countersunk Screws (ANSI B18.3) - Aluminium

SSK-4-40-3/8-AL By AccuScrews
. Order within 14 hours, 30 minutes. Details. Find out when you will get it.
Location Get it by
Australia Tuesday, March 28, 2017
Canada Tuesday, March 28, 2017
Europe (EU) Monday, March 27, 2017
India Tuesday, March 28, 2017
Ireland Monday, March 27, 2017
Mexico Tuesday, March 28, 2017
Rest of World Tuesday, March 28, 2017
United Kingdom Friday, March 24, 2017
United States Monday, March 27, 2017
United Kingdom (Saturday) Saturday, March 25, 2017

Eligible for 30 day returns. Details.

Key Features


Not available online. Talk to our engineers.

£2.66 / each.
Buy more & save
400 units£1.13 each58% Discount
800 units£0.87 each67% Discount
2000 units£0.69 each74% Discount
4000 units£0.63 each76% Discount
Manufactured to your order. Allow 20 working days to dispatch.
Buy online and we'll manufacture your components within 20 working days.
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4-40 UNC x 3/8 inch Socket Countersunk Screws (ANSI B18.3) - Aluminium Technical Specification

4-40 UNC x 3/8 inch Socket Countersunk Screws (ANSI B18.3) - Aluminium Drawing
Countersunk Length (H)0.083 inch
FinishSelf Colour
General Tolerance+/- 0.13mm
Head Diameter [max] (D)0.255 inch
Hexagon A/F (A)1/16 inch
Hexagon Depth (P)0.055 inch
Manufacturing StandardANSI B18.3
MaterialAluminium
Material Specification7075 Aluminium
Metric or Imperial?Imperial
Overall Length (L)3/8 inch
Screw Thread Pitch40 TPI
Thread Size (T)4-40

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4-40 UNC x 3/8 inch Socket Countersunk Screws (ANSI B18.3) - Aluminium Description

The 4-40 UNC x 3/8 inch Socket Countersunk Screws (ANSI B18.3) - Aluminium has the following features:

  • 4-40 Thread Size (T)
  • 1/16 inch Hexagon A/F (A)
  • 0.055 inch Hexagon Depth (P)
  • ANSI B18.3 Manufacturing Standard
  • 3/8 inch Overall Length (L)
  • Aluminium Material
  • 7075 Aluminium Material Specification
  • 40 TPI Screw Thread Pitch
  • Self Colour Finish
  • +/- 0.13mm General Tolerance
  • Imperial Metric or Imperial?
  • 0.255 inch Head Diameter [max] (D)
  • 0.083 inch Countersunk Length (H)

Other Key Information

Shipping Destinations:Worldwide.
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Weight: Not defined.
Product First Available:Sunday, June 28, 2015
Stock Last Updated:01:29 AM
Thursday, February 23, 2017
Specification Last Updated:Wednesday, October 12, 2016
APC (Accu Product Code):SSK-4-40-3/8-AL
EAN13 (International Article No.):5057195146018
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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