1/4"-20 Phillips Pan Head Machine Screw Black Oxide 18-8 Stainless Steel

1/4"-20 Black Oxide Stainless Steel Phillips Pan Head Machine Screws

Diameter - Thread Pitch: 1/4"-20


1/4"-20 Black Oxide Phillips Pan Head Machine Screws are 18-8 Stainless steel screws coated in a black oxide finish.

  • Used mostly for metal applications
  • Complies with military standards as a Class 4 finish
  • ASME Standards Specific
  • Black oxide coating provides a sleek black look
  • Commonly used for:
    • Drawer Slides
    • Machinery
    • Automotive
    • Gun Builds

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Product Specifications
ANSI
B18.6.3
Color
Black
Corrosion Resistant
Yes
Drive Style
Phillips
Finish
Black Oxide
Grade
18-8
Head Diameter
Max 0.492 - Min 0.473
Head Style
Pan
Material
Stainless Steel
Overall Head Height
Max 0.144 - Min 0.130
Phillips Drive
#3
Product Type
Phillips Pan Head Machine Screws
System of Measurement (Unit)
Inch
Thread Diameter
1/4"
Thread Diameter Major
0.2489
Thread Diameter Minor
0.2408
Thread Direction
Right Hand
Thread Pitch (Count)
20 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances