#4-40 X 3/8" Button Head Cap Screws | Tamper Resistant | Pin-In Socket Drive | Alloy Steel (100 / Pkg.)
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#4-40 X 3/8" Button Head Cap Screws | Tamper Resistant | Pin-In Socket Drive | Alloy Steel (100 / Pkg.)

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#4-40 X 3/8" Button Head Cap Screws | Tamper Resistant | Pin-In Socket Drive | Alloy Steel (100 / Pkg.)

Mutual ScrewSKU: 0406CSBTBB
Price:
$89.64per 100( $0.90 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 3/8
Material Alloy Steel
Finish Plain
Drive Pin-In Socket
Head style Button
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

Precision fastening solutions for controlled assemblies in constrained spaces. Cap Screws with Button Head and Pin-In Socket offer a low profile, flush installation with reliable torque transfer in electronics enclosures, precision machinery, and robotics applications.

Specs

  • Dimensions: Length 3/8 inch
  • Drive type: Socket (internal hex)
  • Material grade: Alloy Steel
  • Thread type: 4-40

Features

  • Pin-in socket design: Enhances engagement stability and repeatable torque transfer in tight tolerances, reducing the risk of loosening under vibration.
  • Head style: Button Head; low-profile geometry minimizes interference in dense assemblies and contributes to a clean, finished appearance.
  • Drive type: Socket (internal hex) provides reliable torque transfer and repeatable installation with automated or manual tools.
  • Material: Alloy Steel; high strength and durability suitable for repeated tightening and cycling in mechanical, electronic, and automotive environments.
  • Recommended use cases: Electronics enclosures, precision machinery, robotics assemblies, and other compact systems requiring secure fastening with a smooth, professional finish.

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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