#4-40 X 5/8" Machine Screws | Indented Hex Washer Head | Steel Zinc Plated (10000/Pkg.)

Mutual ScrewSKU: 0410MWKC

Price:
Sale price$286.09per 10000( $0.03 each)
Pieces 10000
Measurement type Inch
Thread size #4-40
Diameter 4
Length 5/8
Material Steel
Grade Steel
Finish Zinc Plated
Drive Unslotted
Head style Indented Hex Washer
Threads per inch 40
Thread style Fully Threaded
Weight 18.0 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 dependable performance in electronics, cabinetry, and equipment assemblies, these unslotted indented hex washer machine screws deliver secure fastening with a clean, flush profile.

Featuring zinc-plated steel for corrosion resistance, the screws have a 4/40 thread and measure 5/8 inch in length, making them ideal for thin materials and precise assemblies. The unslotted design works with an internal hex drive (Allen), while the indented hex washer head distributes load to minimize material deformation.

Key specifications

  • Head style: Indented hex washer head with an unslotted design
  • Drive type: Internal hex (Allen) drive
  • Material & finish: Steel with zinc-plated finish for corrosion resistance
  • Thread size & length: 4-40 UNC, 5/8 inch long
  • Applications: Electronics enclosures, control panels, cabinetry, thin-metal assemblies

Whether you’re assembling electronics, panels, or lightweight machinery, these machine screws provide a reliable, professional-grade fastening solution that resists corrosion while delivering a clean, secure appearance.

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800-222-0324

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