#4-40 X 3/8" Button Head Cap Screws | Nylon Patch | Alloy Steel Thermal Black Oxide (100 / Pkg.)

Mutual ScrewSKU: 0406CSBPBB

Price:
Sale price$25.29per 100( $0.25 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 3/8
Material Alloy Steel
Finish Thermal Black Oxide
Drive Hex Socket
Head style Button
Threads per inch 40
Thread style Fully Threaded
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 Button Socket Nylon Patch Alloy Thermal Black Oxide 4-40 X 3/8 are compact, high-strength fasteners designed for secure, low-profile assembly in a variety of applications.

These cap screws feature a button head and a socket drive, combined with a nylon patch under the head to protect mating surfaces, reduce marring, and dampen vibration for enduring performance in precision equipment.

  • Size: 4-40 thread with a 3/8" length
  • Material: Alloy steel with a nylon patch
  • Finish: Thermal black oxide for added wear resistance and corrosion protection
  • Head type: Button head with socket drive
  • Drive: Internal socket for a clean, flush installation
  • Surface protection: Nylon patch reduces surface damage and helps absorb vibrations

Ideal for electronics enclosures, control panels, machinery assemblies, automotive interiors, and other precision applications where a low-profile fastener, surface protection, and reliable torque are essential.

Why choose these cap screws? Engineered for durability and consistent performance, they deliver secure fastening with a smooth, unobtrusive presence in tight spaces while protecting delicate surfaces.

Enhance your hardware kit with these dependable 4-40 x 3/8 cap screws and experience precise, a high-quality finish that stands up to demanding environments.

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