View All Sizes / Materials
1/4-20 UNC x 1 inch Slotted Countersunk Screws (ANSI B18.6.3) - Thread Locking A4 Stainless Steel
Images shown for graphic representation

AccuScrews Components Official AccuScrews Product.

1/4-20 UNC x 1 inch Slotted Countersunk Screws (ANSI B18.6.3) - Thread Locking A4 Stainless Steel

SFK-1/4-20-1-A4-R360

. Order within 22 hours, 52 minutes. Details. Find out when you will get it.
Deliverd To Get 525 pieces by:
Australia Friday, April 28, 2017
Belgium Thursday, April 27, 2017
Canada Friday, April 28, 2017
Europe (EU) Thursday, April 27, 2017
India Friday, April 28, 2017
Ireland Thursday, April 27, 2017
Mexico Friday, April 28, 2017
Rest of World Friday, April 28, 2017
United Kingdom Wednesday, April 26, 2017
United States Thursday, April 27, 2017
United Kingdom (Saturday) Saturday, April 29, 2017

Available In Other Materials & Finishes


Key Features


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

£1.33 / each.
Buy more & save
20 units£1.18 each11% Discount
40 units£1.06 each20% Discount
100 units£0.96 each28% Discount
200 units£0.86 each35% Discount
525 Stock This item may take 1 additional day to dispatch. Confirm delivery date at checkout. Need more than 525 pieces?
Buy online and we'll manufacture your components within 15 working days.
View Comparison

1/4-20 UNC x 1 inch Slotted Countersunk Screws (ANSI B18.6.3) - Thread Locking A4 Stainless Steel Technical Specification

1/4-20 UNC x 1 inch Slotted Countersunk Screws (ANSI B18.6.3) - Thread Locking A4 Stainless Steel Drawing
FinishSelf Colour
Head Diameter (D)0.477 inch
Head Length (H)0.153 inch
Manufacturing StandardANSI B18.6.3
MaterialA4 Stainless Steel - Thread Locking
Material SpecificationA4 Stainless Steel - Thread Locking Spec
Metric or Imperial?Imperial
Minimum Thread Length7/16 inch
Overall Length (L)1 inch
Pitch20 TPI
Slot Depth (F)0.477 inch
Slot Width (A)0.015 inch
Thread Size (T)1/4-20

See a problem with this specification? Let us know.


1/4-20 UNC x 1 inch Slotted Countersunk Screws (ANSI B18.6.3) - Thread Locking A4 Stainless Steel Description

The 1/4-20 UNC x 1 inch Slotted Countersunk Screws (ANSI B18.6.3) - Thread Locking A4 Stainless Steel has the following features:

  • 1/4-20 Thread Size (T)
  • 0.153 inch Head Length (H)
  • ANSI B18.6.3 Manufacturing Standard
  • 1 inch Overall Length (L)
  • 0.015 inch Slot Width (A)
  • 0.477 inch Slot Depth (F)
  • A4 Stainless Steel - Thread Locking Material
  • A4 Stainless Steel - Thread Locking Spec Material Specification
  • 20 TPI Pitch
  • Self Colour Finish
  • Imperial Metric or Imperial?
  • 0.477 inch Head Diameter (D)
  • 7/16 inch Minimum Thread Length

Other Key Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: 6.59kg.
Product First Available:Sunday, June 28, 2015
Stock Last Updated:05:07 PM
Sunday, April 23, 2017
Specification Last Updated:Wednesday, February 15, 2017
APC (Accu Product Code):SFK-1/4-20-1-A4-R360
EAN13 (International Article No.):5057195568230
ASIN (Amazon Stock Identification No.):ASIN not defined.

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.

Product Certifications

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


Top