New Arrivals/Restock

#4-40 X 3/8" Socket Cap Screws | Flat Head Hex Socket Drive | 18/8 Stainless Steel (100 / Pkg.)

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Product details

Management number 242040549 Release Date 2026/07/19 List Price $0.83 Model Number 242040549
Category

Cap Screws Flat Socket 18/8 Stainless 4-40 x 3/8 are precisely engineered fasteners designed for high-precision assemblies. Made from 18/8 stainless steel (304), these flat socket head cap screws offer excellent corrosion resistance and a clean, professional finish for electronics, machinery, cabinetry, and general hardware projects. The compact 4-40 thread with a 3/8 inch length provides secure, unobtrusive fastening in tight spaces.

Key Features

  • Material: 18/8 stainless steel for corrosion resistance and durability
  • Thread size and length: 4-40 thread, 3/8" length
  • Head style: Flat socket head for a flush, low-profile appearance
  • Drive type: Hex socket (Allen) drive for precise tightening
  • Finish: Natural stainless with a clean, bright finish
  • Applications: Electronics enclosures, machinery assemblies, robotics, cabinetry, and DIY projects

Specifications

  • Material: 18/8 stainless steel (304)
  • Thread size: 4-40
  • Length: 3/8 inch
  • Head type: Flat socket head cap screw
  • Drive type: Hex socket

For best results, use the appropriate hex driver to ensure a secure fit and prevent stripping. These cap screws are a versatile choice for hobbyists and professionals seeking dependable, corrosion-resistant fasteners.


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