#4-40 Slotted Binding Head Machine Screw 18-8 Stainless Steel

#4-40 Stainless Steel Slotted Binding Head Machine Screws

Diameter - Thread Pitch: #4-40


  • A Binding head is like a pan head but the head is thicker and has a thicker fastener recess
  • Installed with a flat head (slotted) screwdriver or bit
  • A machine screw is commonly identified by its small size
  • Undercut and fully threaded
  • Perfect for environments where freshwater is present
  • Scratching or burring in the metal will not cause surface rust

#4-40 Knurled head thumb machine screws are available in 18-8 stainless steel.

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Product Specifications
Color
Silver
Corrosion Resistant
Yes
Diameter
#4
Drive Style
Slotted
Grade
18-8
Head Diameter
Max 0.235 - Min 0.223
Head Style
Binding
Material
Stainless Steel
Overall Head Height
Max 0.068 - Min 0.061
Product Type
Machine Screws
Standards Met
Class 2A Fit, ANSI B1.1
System of Measurement (Unit)
Inch
Thread Diameter
(#4) Max 0.1112 - Min 0.1061
Thread Direction
Right Hand
Thread Pitch (Count)
40 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances