View All Sizes / Materials
1/4-28 UNF x 1/2 inch Imperial Slotted Mushroom Screws - Black A2 Stainless Steel
Images shown for graphic representation

1/4-28 UNF x 1/2 inch Imperial Slotted Mushroom Screws - Black A2 Stainless Steel

SFM-1/4-28-1/2-A2-BL

. Order within 1 days, 20 hours, 28 minutes. Details. Find out when you will get it.
Deliverd To Get it by
Australia Wednesday, November 1, 2017
Austria Tuesday, October 31, 2017
Belgium Tuesday, October 31, 2017
Canada Wednesday, November 1, 2017
Czech Republic Tuesday, October 31, 2017
Denmark Tuesday, October 31, 2017
Europe (EU) Tuesday, October 31, 2017
France Tuesday, October 31, 2017
Germany Tuesday, October 31, 2017
Hong Kong Wednesday, November 1, 2017
India Wednesday, November 1, 2017
Indonesia Wednesday, November 1, 2017
Ireland Tuesday, October 31, 2017
Malaysia Wednesday, November 1, 2017
Mexico Wednesday, November 1, 2017
Netherlands Tuesday, October 31, 2017
New Zealand Wednesday, November 1, 2017
Norway Tuesday, October 31, 2017
Philippines Wednesday, November 1, 2017
Rest of World Wednesday, November 1, 2017
Singapore Wednesday, November 1, 2017
South Africa Wednesday, November 1, 2017
Sweden Tuesday, October 31, 2017
Switzerland Tuesday, October 31, 2017
Taiwan Tuesday, October 31, 2017
Turkey Tuesday, October 31, 2017
United Arab Emirates Wednesday, November 1, 2017
United Kingdom Monday, October 30, 2017
United States Tuesday, October 31, 2017
United Kingdom (Saturday) Saturday, October 28, 2017

Available In Other Materials & Finishes


Key Features

  • Metric or Imperial?: Imperial
  • Thread Size (T): 1/4-28
  • Length (L): 1/2 inch
  • Head Diameter (D): 0.573 inch
  • Material: A2 Stainless Steel - Black
View the full technical specification
Not available online. Talk to our engineers.
Eligible for 30 day returns. Details.
£1.22 / each.
Buy more & save
40 units£0.85 each30% Discount
100 units£0.64 each48% Discount
200 units£0.53 each57% Discount
Manufactured to your order. Allow 25 working days to dispatch.
Buy online and we'll manufacture your components within 25 working days.
View Comparison
AccuScrews Components Official AccuScrews Product.

1/4-28 UNF x 1/2 inch Imperial Slotted Mushroom Screws - Black A2 Stainless Steel Technical Specification

1/4-28 UNF x 1/2 inch Imperial Slotted Mushroom Screws - Black A2 Stainless Steel Drawing
FinishChemical Matte Black
Head Diameter (D)0.573 inch
Head Length (H)0.15 inch
Length (L)1/2 inch
Manufacturing StandardNF E 27-128
MaterialA2 Stainless Steel - Black
Material SpecificationA2-70 Stainless Steel
Metric or Imperial?Imperial
Pitch28 TPI
Slot Depth (F)0.087 inch
Slot Width (A)0.075 inch
Thread Size (T)1/4-28

See a problem with this specification? Let us know.


Product Certifications

Signed Certificate of Conformity
Signed Certificate of Conformity
RoHS Compliant
RoHS Compliant
REACH Compliant
REACH Compliant

3D Models

3D models are only available to registered customers.

To view and download models from our 3D library, please log in or sign up.


1/4-28 UNF x 1/2 inch Imperial Slotted Mushroom Screws - Black A2 Stainless Steel Description

The 1/4-28 UNF x 1/2 inch Imperial Slotted Mushroom Screws - Black A2 Stainless Steel has the following features:

  • 1/4-28 Thread Size (T)
  • 0.15 inch Head Length (H)
  • NF E 27-128 Manufacturing Standard
  • 1/2 inch Length (L)
  • 0.075 inch Slot Width (A)
  • 0.087 inch Slot Depth (F)
  • A2 Stainless Steel - Black Material
  • A2-70 Stainless Steel Material Specification
  • 28 TPI Pitch
  • Chemical Matte Black Finish
  • Imperial Metric or Imperial?
  • 0.573 inch Head Diameter (D)

Other Key Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: 0.01kg.
Product First Available:Sunday, June 28, 2015
Stock Last Updated:07:31 PM
Saturday, September 23, 2017
Specification Last Updated:Monday, November 21, 2016
APC (Accu Product Code):SFM-1/4-28-1/2-A2-BL
EAN13 (International Article No.):5057195076032
ASIN (Amazon Stock Identification No.):ASIN not defined.

Top