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1/2-13 UNC x 1.1/4 inch Socket Countersunk Screws (ANSI B18.3) - A4 Stainless Steel
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1/2-13 UNC x 1.1/4 inch Socket Countersunk Screws (ANSI B18.3) - A4 Stainless Steel

SSK-1/2-13-1.1/4-A4

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Deliverd To Get 1 pieces by:
Australia Tuesday, July 25, 2017
Austria Monday, July 24, 2017
Belgium Monday, July 24, 2017
Canada Tuesday, July 25, 2017
Czech Republic Monday, July 24, 2017
Denmark Monday, July 24, 2017
Europe (EU) Monday, July 24, 2017
France Monday, July 24, 2017
Germany Monday, July 24, 2017
Hong Kong Tuesday, July 25, 2017
India Tuesday, July 25, 2017
Indonesia Tuesday, July 25, 2017
Ireland Monday, July 24, 2017
Malaysia Tuesday, July 25, 2017
Mexico Tuesday, July 25, 2017
Netherlands Monday, July 24, 2017
New Zealand Tuesday, July 25, 2017
Norway Monday, July 24, 2017
Philippines Tuesday, July 25, 2017
Rest of World Tuesday, July 25, 2017
Singapore Tuesday, July 25, 2017
South Africa Tuesday, July 25, 2017
Sweden Monday, July 24, 2017
Switzerland Monday, July 24, 2017
Taiwan Monday, July 24, 2017
Turkey Monday, July 24, 2017
United Arab Emirates Tuesday, July 25, 2017
United Kingdom Friday, July 21, 2017
United States Monday, July 24, 2017
United Kingdom (Saturday) Saturday, July 22, 2017

Available In Other Materials & Finishes


Key Features


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Eligible for 30 day returns. Details.

£12.27 / each.
Buy more & save
2 units£11.08 each10% Discount
4 units£10.00 each19% Discount
10 units£9.00 each27% Discount
20 units£8.09 each34% Discount
1 Stock This item may take 15 additional day to dispatch. Confirm delivery date at checkout. Need more?
Buy online and we'll manufacture your components within 15 working days.
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1/2-13 UNC x 1.1/4 inch Socket Countersunk Screws (ANSI B18.3) - A4 Stainless Steel Technical Specification

1/2-13 UNC x 1.1/4 inch Socket Countersunk Screws (ANSI B18.3) - A4 Stainless Steel Drawing
Countersunk Length (H)0.251 inch
FinishSelf Colour
General Tolerance+/- 0.13mm
Head Diameter [max] (D)0.938 inch
Hexagon A/F (A)5/16 inch
Hexagon Depth (P)0.172 inch
Manufacturing StandardANSI B18.3
MaterialA4 Stainless Steel
Material SpecificationA4-70 Stainless Steel
Metric or Imperial?Imperial
Overall Length (L)1.1/4 inch
Screw Thread Pitch13 TPI
Thread Size (T)1/2-13

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1/2-13 UNC x 1.1/4 inch Socket Countersunk Screws (ANSI B18.3) - A4 Stainless Steel Description

The 1/2-13 UNC x 1.1/4 inch Socket Countersunk Screws (ANSI B18.3) - A4 Stainless Steel has the following features:

  • 1/2-13 Thread Size (T)
  • 5/16 inch Hexagon A/F (A)
  • 0.172 inch Hexagon Depth (P)
  • ANSI B18.3 Manufacturing Standard
  • 1.1/4 inch Overall Length (L)
  • A4 Stainless Steel Material
  • A4-70 Stainless Steel Material Specification
  • 13 TPI Screw Thread Pitch
  • Self Colour Finish
  • +/- 0.13mm General Tolerance
  • Imperial Metric or Imperial?
  • 0.938 inch Head Diameter [max] (D)
  • 0.251 inch Countersunk Length (H)

Other Key Information

Shipping Destinations:Worldwide.
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Weight Band (100 items):Between 1kg and 5kg. Add to cart to calculcate exact weights.
Product First Available:Sunday, June 28, 2015
Stock Last Updated:03:50 PM
Thursday, June 29, 2017
Specification Last Updated:Wednesday, October 12, 2016
APC (Accu Product Code):SSK-1/2-13-1.1/4-A4
EAN13 (International Article No.):5054328148239
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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