#4-40 X 3/16" Flat Head Cap Screws | 18/8 Stainless Steel (100 / Pkg.)

Mutual ScrewSKU: 0403CSF188

Price:
Sale price$8.99per 100( $0.09 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 3/16
Material 18/8 Stainless Steel
Grade 18/8
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 18/8 Stainless 4/40 X 3/16 are precision fasteners built from 18/8 stainless steel for exceptional corrosion resistance and long-lasting durability. The flat socket (internal hex) head sits flush in your project, delivering a clean, professional look in electronic enclosures, cabinetry, and machinery assemblies.

Key features

  • Material: 18/8 stainless steel (304-grade) for excellent corrosion resistance and durability.
  • Head type: Flat socket cap screw for a low-profile, flush finish.
  • Drive: Internal hex (Allen) drive for secure tightening.
  • Thread size: #4-40 UNC standard.
  • Length: 3/16 in (4.76 mm).
  • Finish: Bright, polished surface for a clean aesthetic.

Applications

  • Electronics enclosures, control panels, and precision machinery.
  • Cabinetry, fixtures, and home improvement projects requiring small, durable fasteners.
  • General purpose mechanical hardware in wet or wash-down environments due to stainless construction.

Why choose 18/8 stainless cap screws?

Combining corrosion resistance with a polished appearance, 18/8 stainless fasteners resist rust and staining in a variety of indoor and outdoor conditions. The 4/40 size and 3/16 length offer a versatile option for fine-thread applications where a secure, unobtrusive fit is essential.

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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