#4-40 X 1/4" Button Head Cap Screws | Nylon Patch | Alloy Steel Thermal Black Oxide (100 / Pkg.)

Mutual ScrewSKU: 0404CSBPBB

Price:
Sale price$24.21per 100( $0.24 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 1/4
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 1/4 delivers reliable fastening for precision assemblies. These button-head cap screws feature a socket drive for recessed seating and a compact profile that minimizes bulk in tight spaces.

Key specifications

  • Head style: Button socket cap screw
  • Drive type: Socket (Allen)
  • Material: Alloy with Nylon Patch
  • Finish: Thermal Black Oxide
  • Thread size: 4-40
  • Length: 1/4 in

Ideal for lightweight, durable fastening in a range of applications, including electronics enclosures and small machinery where a low-profile, secure fastener is required. The black oxide finish adds surface hardness and corrosion resistance, while the nylon patch element helps protect sensitive components and reduce vibration in select configurations.

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