Machine Screws Phil Pan 18/8 Stainless Black Oxide (MS51957) 4-40 X 1/4
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Machine Screws Phil Pan 18/8 Stainless Black Oxide (MS51957) 4-40 X 1/4

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[3000 BULK] Machine Screws Phil Pan 18/8 Stainless Black Oxide (MS51957) 4-40 X 1/4

Mutual ScrewSKU: MS51957-13KC
Price:
$467.06per 3000( $0.16 each)
Pieces 3000
Measurement type Inch
Thread size #4-40
Diameter 4
Length 1/4
Material Steel
Grade 18/8
Finish Black Oxide
Drive Phillips
Head style Pan
Threads per inch 40
Thread style Fully Threaded
Weight 3.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Engineered for precision fastening, the Machine Screws Phil Pan 18/8 Stainless Black Oxide (MS51957) 4-40 X 1/4 is a reliable choice for electronics, machinery, and hardware assemblies. The Phillips pan head provides a flush seating while the 18/8 stainless steel ensures corrosion resistance, and the black oxide finish adds a non-reflective, durable surface.

Key specifications

  • Head style: Phillips pan head
  • Material: 18/8 stainless steel (304)
  • Finish: Black oxide
  • Thread size: 4-40 UNC
  • Length: 1/4 inch
  • Drive: Phillips
  • Applications: general purpose fastening, electronics enclosures, cabinetry

Why choose this screw?

With 304-grade stainless (18/8) for corrosion resistance, this screw stands up to moisture and harsher environments. The black oxide finish reduces glare and adds extra wear protection. The combination of size, strength, and drive makes it a versatile fastener for quick assemblies and secure holds.

Installation tips

Ensure a properly sized pilot hole or threaded receptacle for a smooth, accurate drive. Pre-tap or pre-thread when possible to avoid cross-threading, and use the correct screwdriver to prevent cam-out.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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