#4-40 X 3/8" Machine Screws | Indented Hex Washer Head | 18/8 Stainless Steel (5000/Pkg.)
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#4-40 X 3/8" Machine Screws | Indented Hex Washer Head | 18/8 Stainless Steel (5000/Pkg.)

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#4-40 X 3/8" Machine Screws | Indented Hex Washer Head | 18/8 Stainless Steel (5000/Pkg.)

Mutual ScrewSKU: 0406MW188KC
Price:
$273.33per 5000( $0.05 each)
Pieces 5000
Measurement type Inch
Thread size #4-40
Diameter 4
Length 3/8
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Unslotted
Head style Indented Hex Washer
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

5000 Bulk Unsplotted Indented Hex Washer Head Machine Screws in 18/8 stainless steel (304) with an internal hex drive. Size 4-40 x 3/8 in.

These high-quality machine screws are designed for durable, corrosion-resistant performance in a variety of applications, including equipment, enclosures, electrical assemblies, and general machinery. The built-in washer provides even load distribution and a secure seal, while the indented hex drive delivers a flush, snag-free profile.

  • Material: 18/8 stainless steel (304) for excellent corrosion resistance and strong performance in challenging environments.
  • Head style: Indented hex washer head for a secure, low-profile finish.
  • Drive type: Internal hex (Allen) drive; unslotted to resist stripping in tough conditions.
  • Thread and size: Unified 4-40 thread with a 3/8 inch length.
  • Finish: Natural stainless steel finish that maintains durability and appearance over time.
  • Packaging: Bulk quantity (5000 pieces) to support large-scale projects and stocking needs.

Choose these screws for reliable grip, corrosion resistance, and a clean, professional look in your assemblies. Perfect for bulk orders and industrial use—add to your cart today.

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800-222-0324

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