#4-40 X 7/16" Flat Head Cap Screws | Alloy Steel (100 / Pkg.)

Mutual ScrewSKU: 0407CSF

Price:
Sale price$13.29per 100( $0.13 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 7/16
Material Alloy Steel
Finish Plain
Drive Hex Socket
Head style Flat
Threads per inch 40
Weight 1.0 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

Cap Screws Flat Socket Alloy Steel 4/40 X 7/16 are precision fasteners designed for reliable, rugged performance in a wide range of assemblies. Crafted from high-strength alloy steel, these flat socket cap screws pair a compact profile with solid load-bearing capability, making them ideal for tight spaces where strong, secure fastening is essential.

Featuring an internal hex drive for easy tightening with a standard Allen wrench, these cap screws provide a flush, low-profile head that sits neatly in counterbores or on flat surfaces. The 4/40 thread size and 7/16 inch length strike a balance between grip and compatibility for common machine and equipment applications.

Key specifications

  • Thread size: 4/40
  • Length: 7/16 inch
  • Material: Alloy steel
  • Drive type: Internal hex (Allen) drive
  • Head style: Flat socket cap screw

Applications

Ideal for fastening panels, brackets, and components where space is limited and a secure, flush mounting is required. Suitable for machinery, electronics enclosures, automotive assemblies, and general hardware projects that demand dependable fasteners with a clean, professional finish.

Why choose these fasteners

  • Strong, durable alloy steel construction
  • Low-profile flat socket head for a clean installation
  • Precise 4/40 thread for compatibility with standard hardware
  • Internally driven for recessed tightening in tight spaces

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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