6-40 UNF x 1 inch Imperial Fillister Screws - Stainless Steel (A2)


Key Features

  • A2 Stainless Steel, also known as 18-8 or 304 Stainless Steel. Details.
  • Thread Size (T): 6-40
  • Length (L): 1 inch
  • Head Diameter (D): 0.226 inch
  • Material: Stainless Steel (A2)
View Full Technical Specification.

Available In Other Materials & Finishes

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6-40 UNF x 1 inch Imperial Fillister Screws - Stainless Steel (A2) Technical Specification

6-40 UNF x 1 inch Imperial Fillister Screws - Stainless Steel (A2) Drawing
Head Diameter (D)0.226 inch
Head Height (H)0.132 inch
Length (L)1 inch
Manufacturing StandardANSI B18.6.3
MaterialStainless Steel (A2)
Material SpecificationStainless Steel (A2)
Metric or Imperial?Imperial
Slot Depth (F)0.06 inch
Slot Width (A)0.132 inch
Thread Size (T)6-40
Thread StandardUNF
Threads / Inch40 TPI

Product Certifications

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

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6-40 UNF x 1 inch Imperial Fillister Screws - Stainless Steel (A2) Description

The 6-40 UNF x 1 inch Imperial Fillister Screws - Stainless Steel (A2) has the following features:

  • 6-40 Thread Size (T)
  • ANSI B18.6.3 Manufacturing Standard
  • 1 inch Length (L)
  • 0.132 inch Slot Width (A)
  • 0.06 inch Slot Depth (F)
  • Stainless Steel (A2) Material
  • Stainless Steel (A2) Material Specification
  • Natural Finish
  • 40 TPI Threads / Inch
  • UNF Thread Standard
  • 0.132 inch Head Height (H)
  • Imperial Metric or Imperial?
  • 0.226 inch Head Diameter (D)

Discover more about the Fillister Screws range

Fillister Screws are part of Accu's extensive range of Precision Screws. These fasteners are an imperial component, featuring a reduced diameter cylindrical head, which allows them to be used in applications where space is limited. Fillister Screws have an increased head height and a deeper drive slot when compared to equivalent round-headed fasteners such as Cheese Head Screws. These fasteners are widely used in electrical applications.

Components within this range can be installed using one of AccuScrews’ Insulated Slotted Screwdrivers or Slotted Drive Bits.


These A2 Stainless Steel fillister screws can be ordered with Chemical Blacking and Thread Locking Patches on request. For additional materials and finishes, please contact our sales team.

Imperial Fillister Screws

Fillister Screws are available in diameters of between #0 and 3/8 inch, and in lengths ranging from 1/8 inch up to 6 inch.

Shipping Information

Shipping Destinations:Worldwide.
View delivery information.
Weight Band (100 items):Between 0.1kg and 0.25kg. Add to cart to calculate exact weights.

Component History

Product First Available:Tuesday, May 31, 2016
Stock Last Updated:02:22 pm
Sunday, December 5, 2021
Specification Last Updated:Sunday, December 5, 2021

APC / Barcodes

APC (Accu Product Code):SFI-6-40-1-A2
EAN13 (International Article No.):5057196468799
ASIN (Amazon Stock Identification No.):ASIN not defined.