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1/4-28 UNF x 1/2 inch Imperial Fillister Screws - Phosphor Bronze
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1/4-28 UNF x 1/2 inch Imperial Fillister Screws - Phosphor Bronze

SFI-1/4-28-1/2-PB By AccuScrews
. Order within 19 hours, 11 minutes. Details. Find out when you will get it.
Location Get it by
Australia Thursday, March 23, 2017
Canada Thursday, March 23, 2017
Europe (EU) Wednesday, March 22, 2017
India Thursday, March 23, 2017
Ireland Wednesday, March 22, 2017
Mexico Thursday, March 23, 2017
Rest of World Thursday, March 23, 2017
United Kingdom Tuesday, March 21, 2017
United States Wednesday, March 22, 2017
United Kingdom (Saturday) Saturday, March 25, 2017

Eligible for 30 day returns. Details.

Key Features


Not available online. Talk to our engineers.

£3.55 / each.
Buy more & save
250 units£2.08 each41% Discount
500 units£1.60 each55% 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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1/4-28 UNF x 1/2 inch Imperial Fillister Screws - Phosphor Bronze Technical Specification

1/4-28 UNF x 1/2 inch Imperial Fillister Screws - Phosphor Bronze Drawing
FinishSelf Colour
Head Diameter (K)0.414 inch
Head Height (H)0.237 inch
Length (L)1/2 inch
Manufacturing StandardANSI B18.6.3
MaterialPhosphor Bronze
Material SpecificationPhosphor Bronze Spec
Metric or Imperial?Imperial
Slot Depth (F)0.109 inch
Slot Width (A)0.075 inch
Thread Size (T)1/4-28
Thread StandardUNF
Threads / Inch28 TPI

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1/4-28 UNF x 1/2 inch Imperial Fillister Screws - Phosphor Bronze Description

The 1/4-28 UNF x 1/2 inch Imperial Fillister Screws - Phosphor Bronze has the following features:

  • 1/4-28 Thread Size (T)
  • ANSI B18.6.3 Manufacturing Standard
  • 1/2 inch Length (L)
  • 0.075 inch Slot Width (A)
  • 0.109 inch Slot Depth (F)
  • Phosphor Bronze Material
  • Phosphor Bronze Spec Material Specification
  • Self Colour Finish
  • 28 TPI Threads / Inch
  • UNF Thread Standard
  • 0.237 inch Head Height (H)
  • Imperial Metric or Imperial?
  • 0.414 inch Head Diameter (K)

Other Key Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: Not defined.
Product First Available:Monday, August 24, 2015
Stock Last Updated:08:48 PM
Monday, February 20, 2017
Specification Last Updated:Friday, August 26, 2016
APC (Accu Product Code):SFI-1/4-28-1/2-PB
EAN13 (International Article No.):5057195698746
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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