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4-40 UNC x 1/4 inch Socket Countersunk Screws (ANSI B18.3) - Stainless Steel (A2)
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4-40 UNC x 1/4 inch Socket Countersunk Screws (ANSI B18.3) - Stainless Steel (A2)

SSK-4-40-1/4-A2

Key Features

  • Thread Size (T): 4-40
  • Overall Length (L): 1/4 inch
  • Hexagon A/F (A): 1/16 inch
  • Material: Stainless Steel (A2)
  • Finish: Natural
View Full Technical Specification.

Available In Other Materials & Finishes


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4-40 UNC x 1/4 inch Socket Countersunk Screws (ANSI B18.3) - Stainless Steel (A2) Technical Specification

4-40 UNC x 1/4 inch Socket Countersunk Screws (ANSI B18.3) - Stainless Steel (A2) Drawing
Countersunk Angle82 +/- 2 Degrees
Countersunk Length (H)0.083 inch
FinishNatural
General Tolerance+/- 0.13mm
Head Diameter [max] (D)0.255 inch
Head Diameter [min] (D)0.218 inch
Hexagon A/F (A)1/16 inch
Hexagon Depth (P)0.055 inch
Manufacturing StandardANSI B18.3
MaterialStainless Steel (A2)
Material SpecificationStainless Steel (A2)
Metric or Imperial?Imperial
Overall Length (L)1/4 inch
Screw Thread Pitch40 TPI
Thread Size (T)4-40

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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4-40 UNC x 1/4 inch Socket Countersunk Screws (ANSI B18.3) - Stainless Steel (A2) Description

The 4-40 UNC x 1/4 inch Socket Countersunk Screws (ANSI B18.3) - Stainless Steel (A2) has the following features:

  • 4-40 Thread Size (T)
  • 1/16 inch Hexagon A/F (A)
  • 0.055 inch Hexagon Depth (P)
  • ANSI B18.3 Manufacturing Standard
  • 1/4 inch Overall Length (L)
  • Stainless Steel (A2) Material
  • Stainless Steel (A2) Material Specification
  • 40 TPI Screw Thread Pitch
  • Natural Finish
  • +/- 0.13mm General Tolerance
  • Imperial Metric or Imperial?
  • 0.255 inch Head Diameter [max] (D)
  • 0.083 inch Countersunk Length (H)

Shipping Information

Shipping Destinations:Worldwide.
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Weight Band (100 items):Less than 0.1kg. Add to cart to calculate exact weights.

Component History

Product First Available:Sunday, June 28, 2015
Stock Last Updated:04:02 pm
Tuesday, June 22, 2021
Specification Last Updated:Tuesday, June 22, 2021

APC / Barcodes

APC (Accu Product Code):SSK-4-40-1/4-A2
EAN13 (International Article No.):5054328144842
ASIN (Amazon Stock Identification No.):ASIN not defined.