#4-40 X 7/16" Machine Screws | Undercut Flat Head | Phillips Drive | 18/8 Stainless Steel Black Oxide (7000/Pkg.)

Mutual ScrewSKU: 0407MPU188BKC

Price:
Sale price$239.13per 7000( $0.03 each)
Pieces 7000
Measurement type Inch
Thread size #4-40
Diameter 4
Length 7/16
Material 18/8 Stainless Steel
Grade 18/8
Finish Black Oxide
Drive Phillips
Head style Undercut Flat
Threads per inch 40
Thread style Fully Threaded
Weight 7.0 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

Machine Screws Phil Undercut Flat 18/8 Stainless Black Oxide 4-40 x 7/16 are precision fasteners designed for reliable, corrosion-resistant joining in metal assemblies. With a flat head and Phillips drive, these screws provide a clean, flush finish in enclosures, panels, and machinery.

Key specifications

  • Thread size: 4-40
  • Length: 7/16 in
  • Head style: Phil Undercut Flat
  • Drive type: Phillips
  • Material: 18/8 stainless steel
  • Finish: Black oxide

Why choose these screws

Manufactured from 18/8 stainless steel for dependable corrosion resistance and strength in a variety of environments. The black oxide finish provides a low-gloss appearance that blends with dark hardware, while maintaining the performance of stainless steel in typical indoor applications.

Applications

  • Enclosures, control panels, and electrical housings
  • Machinery assemblies and equipment panels
  • Any project requiring a flush, low-profile screw with a Phillips drive

Installation and care

  • Use a compatible Phillips screwdriver for even seating and to prevent head stripping.
  • Ensure you have a correctly tapped or pre-drilled 4-40 threaded hole for proper engagement.
  • Wipe with a dry cloth after use to remove oils; avoid prolonged exposure to moisture beyond normal indoor use to preserve the finish.

Can We Help?

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

Recently viewed