1/4"-20 X 4-1/2" Machine Screws | Flat Head | Phillips Drive | 18/8 Stainless Steel Black Oxide (200/Pkg.)
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1/4"-20 X 4-1/2" Machine Screws | Flat Head | Phillips Drive | 18/8 Stainless Steel Black Oxide (200/Pkg.)

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1/4"-20 X 4-1/2" Machine Screws | Flat Head | Phillips Drive | 18/8 Stainless Steel Black Oxide (200/Pkg.)

Mutual ScrewSKU: 1472MPF188BKC
Price:
$256.48per 200( $1.28 each)
Pieces 200
Measurement type Inch
Thread size 1/4-20
Diameter 1/4
Length 4-1/2
Material 18/8 Stainless Steel
Grade 18/8
Finish Black Oxide
Drive Phillips
Head style Flat
Threads per inch 20
Thread style Fully Threaded
Weight 10.0 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

Securely fasten metal parts with precision using our Machine Screws Phil Flat 18/8 Stainless Black Oxide 1/4-20 x 4 1/2. This high-performance screw combines durable 18/8 stainless steel with a low-glare black oxide finish and a Phillips drive for reliable assembly in a variety of environments.

Key features

  • Material: 18/8 stainless steel (304) for excellent corrosion resistance and strength.
  • Finish: Black oxide coating provides a discreet, anti-glare appearance and added corrosion protection in indoor use.
  • Head type: Flat head for flush mounting in countersunk holes.
  • Drive: Phillips (PH) drive for smooth, reliable tightening.
  • Thread size: 1/4"-20 UNC standard coarse thread for common fastener acceptance.
  • Length: 4-1/2 inches to suit medium-depth assemblies.

Applications

Ideal for metal fabrication, equipment enclosures, automotive, furniture, and general machinery where a clean, low-profile fastener is required. The stainless steel construction resists moisture, making it suitable for indoor environments and certain outdoor applications where corrosion resistance matters.

Why choose this screw

Combining high-quality 18/8 stainless with a durable black oxide finish, these Phillips flat head machine screws deliver reliable performance, ease of installation, and a professional look in finished assemblies.

Note: Always verify thread compatibility and material suitability for your specific application and environment.

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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