1/4-20 UNC x 3.1/2 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - A4 Stainless Steel
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1/4-20 UNC x 3.1/2 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - A4 Stainless Steel

SEB-1/4-20-3.1/2-A4 By AccuScrews
. Order within 22 hours, 18 minutes. Details. Find out when you will get it.
Location Get 4800 pieces by:
Australia Monday, December 12, 2016
Canada Monday, December 12, 2016
Europe (EU) Friday, December 9, 2016
India Monday, December 12, 2016
Rest of World Monday, December 12, 2016
United Kingdom Thursday, December 8, 2016
United States Friday, December 9, 2016
United Kingdom (Saturday) Saturday, December 10, 2016

Eligible for 30 day returns. Details.

Key Features

  • A4 Stainless Steel, also known as marine grade or 316 Stainless Steel. Details.
  • Metric or Imperial?: Imperial
  • Thread Size (T): 1/4-20
  • Length (L): 3.1/2 inch
  • Hexagon Width A/F (H): 0.438 inch
  • View the full product specification.

Not available online. Talk to our engineers.

£0.98 / each.
Buy more & save
20 units£0.88 each10% Discount
40 units£0.78 each20% Discount
100 units£0.70 each29% Discount
200 units£0.62 each37% Discount

4,800 Stock This item may take 1 additional day to dispatch. Confirm delivery date at checkout.
Need more? Allow 15 working days to dispatch.
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1/4-20 UNC x 3.1/2 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - A4 Stainless Steel Technical Specification

1/4-20 UNC x 3.1/2 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - A4 Stainless Steel Drawing
FinishSelf Colour
General Tolerance+/-0.13mm
Hexagon Length (K)0.163 inch
Hexagon Width A/F (H)0.438 inch
Length (L)3.1/2 inch
Manufacturing StandardANSI B18.2.1
MaterialA4 Stainless Steel
Metric or Imperial?Imperial
Pitch20 TPI
Screw Material SpecificationA2-70 Stainless Steel
Thread Length (B)0.75 inch
Thread Size (T)1/4-20

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1/4-20 UNC x 3.1/2 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - A4 Stainless Steel Description

The 1/4-20 UNC x 3.1/2 inch Imperial Plain Hexagon Bolts (ANSI B18.2.1) - A4 Stainless Steel has the following features:

  • 1/4-20 Thread Size (T)
  • ANSI B18.2.1 Manufacturing Standard
  • 3.1/2 inch Length (L)
  • A4 Stainless Steel Material
  • 20 TPI Pitch
  • A2-70 Stainless Steel Screw Material Specification
  • 0.438 inch Hexagon Width A/F (H)
  • 0.163 inch Hexagon Length (K)
  • Self Colour Finish
  • +/-0.13mm General Tolerance
  • Imperial Metric or Imperial?
  • 0.75 inch Thread Length (B)

Other Key Information

Shipping Destinations:Worldwide.
View delivery information.
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:05:11 PM
Monday, December 5, 2016
Specification Last Updated:Thursday, November 24, 2016
APC (Accu Product Code):SEB-1/4-20-3.1/2-A4
EAN13 (International Article No.):5054328167346
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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