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1/4-28 UNF x 1/2 inch Socket Button Screws (ANSI B18.3) - A4 Stainless Steel
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AccuScrews Components Official AccuScrews Product.

1/4-28 UNF x 1/2 inch Socket Button Screws (ANSI B18.3) - A4 Stainless Steel

SSB-1/4-28-1/2-A4

. Order within 08 hours, 21 minutes. Details. Find out when you will get it.
Deliverd To Get 50 pieces by:
Australia Tuesday, May 2, 2017
Belgium Monday, May 1, 2017
Canada Tuesday, May 2, 2017
Europe (EU) Monday, May 1, 2017
India Tuesday, May 2, 2017
Ireland Monday, May 1, 2017
Mexico Tuesday, May 2, 2017
Rest of World Tuesday, May 2, 2017
United Kingdom Friday, April 28, 2017
United States Monday, May 1, 2017
United Kingdom (Saturday) Saturday, April 29, 2017

Available In Other Materials & Finishes


Key Features

  • A4 Stainless Steel, also known as marine grade or 316 Stainless Steel. Details.
  • Metric or Imperial?: Imperial
  • Thread Size: 1/4-28
  • Length (L): 1/2 inch
  • Hexagon Socket A/F (A): 5/32 inch
  • View the full product specification.

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

£1.32 / each.
Buy more & save
20 units£1.18 each11% Discount
40 units£1.06 each20% Discount
100 units£0.95 each28% Discount
200 units£0.84 each36% Discount
50 Stock This item may take 1 additional day to dispatch. Confirm delivery date at checkout. Need more than 50?
Buy online and we'll manufacture your components within 15 working days.
View Comparison

1/4-28 UNF x 1/2 inch Socket Button Screws (ANSI B18.3) - A4 Stainless Steel Technical Specification

1/4-28 UNF x 1/2 inch Socket Button Screws (ANSI B18.3) - A4 Stainless Steel Drawing
FinishSelf Colour
Hexagon Socket A/F (A)5/32 inch
Length (L)1/2 inch
Manufacturing StandardANSI B18.3
MaterialA4 Stainless Steel
Material SpecificationA4-70 Stainless Steel
Maximum Head Diameter (D)0.437 inch
Maximum Head Length (H)0.132 inch
Metric or Imperial?Imperial
Minimum Hexagon Socket Depth (P)0.087 inch
Screw Thread Pitch28 TPI
Thread Size1/4-28

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1/4-28 UNF x 1/2 inch Socket Button Screws (ANSI B18.3) - A4 Stainless Steel Description

The 1/4-28 UNF x 1/2 inch Socket Button Screws (ANSI B18.3) - A4 Stainless Steel has the following features:

  • ANSI B18.3 Manufacturing Standard
  • 1/2 inch Length (L)
  • A4 Stainless Steel Material
  • A4-70 Stainless Steel Material Specification
  • 28 TPI Screw Thread Pitch
  • 5/32 inch Hexagon Socket A/F (A)
  • Self Colour Finish
  • Imperial Metric or Imperial?
  • 1/4-28 Thread Size
  • 0.132 inch Maximum Head Length (H)
  • 0.087 inch Minimum Hexagon Socket Depth (P)
  • 0.437 inch Maximum Head Diameter (D)

Other Key Information

Shipping Destinations:Worldwide.
View delivery information.
Weight Band (100 items):Over 5kg. Add to cart to calculcate exact weights.
Product First Available:Sunday, June 28, 2015
Stock Last Updated:07:38 AM
Wednesday, April 26, 2017
Specification Last Updated:Tuesday, February 21, 2017
APC (Accu Product Code):SSB-1/4-28-1/2-A4
EAN13 (International Article No.):5054328143708
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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