1/4-20 UNC x 3.1/2 inch Slotted Countersunk Screws (ANSI B18.6.3) - Black Stainless Steel (A2)

SFK-1/4-20-3.1/2-A2-BL

Key Features

  • Thread Size (T): 1/4-20
  • Overall Length (L): 3.1/2 inch
  • Head Diameter (D): 0.477 inch
  • Material: Stainless Steel (A2)
  • Finish: Matte Black
View Full Technical Specification.

Available In Other Materials & Finishes


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1/4-20 UNC x 3.1/2 inch Slotted Countersunk Screws (ANSI B18.6.3) - Black Stainless Steel (A2) Technical Specification

1/4-20 UNC x 3.1/2 inch Slotted Countersunk Screws (ANSI B18.6.3) - Black Stainless Steel (A2) Drawing
FertigMatte Black
FertigungsstandardANSI B18.6.3
Gesamtlänge (L)3.1/2 inch
Gewindegröße (T)1/4-20
Kopfdurchmesser (D)0.477 inch
Kopflänge (H)0.153 inch
MaterialspezifikationStainless Steel (A2)
Metric oder Imperial Management?Imperial
Mindestgewindelänge7/16 inch
Schlitztiefe (F)0.048 inch
Slot-Breite (A)0.075 inch
StoffStainless Steel (A2)
Tonhöhe20 TPI

Product Certifications

Certificate of Conformity Included
Certificate of Conformity Included
RoHS Certified
RoHS Certified
REACH Certified
REACH Certified
ISO9001
ISO9001
Quality Approved

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1/4-20 UNC x 3.1/2 inch Slotted Countersunk Screws (ANSI B18.6.3) - Black Stainless Steel (A2) Description

The 1/4-20 UNC x 3.1/2 inch Slotted Countersunk Screws (ANSI B18.6.3) - Black Stainless Steel (A2) has the following features:

  • 1/4-20 Thread Size (T)
  • 0.153 inch Head Length (H)
  • ANSI B18.6.3 Manufacturing Standard
  • 3.1/2 inch Overall Length (L)
  • 0.075 inch Slot Width (A)
  • 0.048 inch Slot Depth (F)
  • Stainless Steel (A2) Material
  • Stainless Steel (A2) Material Specification
  • 20 TPI Pitch
  • Matte Black Finish
  • Imperial Metric or Imperial?
  • 0.477 inch Head Diameter (D)
  • 7/16 inch Minimum Thread Length

Discover more about the Imperial Schlitz-Senkkopfschrauben range

Imperial Schlitz-Senkkopfschrauben


Shipping Information

Shipping Destinations:Worldwide.
View delivery information.
Weight: 0.02kg.

Component History

Product First Available:Sunday, June 28, 2015
Stock Last Updated:02:47 pm
Saturday, December 4, 2021
Specification Last Updated:Saturday, December 4, 2021

APC / Barcodes

APC (Accu Product Code):SFK-1/4-20-3.1/2-A2-BL
EAN13 (International Article No.):5057195004691
ASIN (Amazon Stock Identification No.):ASIN not defined.