Black #4-40 Socket Head Socket Cap screws in increasing lengths on white background.
Black SAE #4-40 Socket Head cap screws stacked to show different angles on white.
Spec Sheet for #4-40 Socket Cap screws showing head dimensions and hex key drive size.
#4-40 x 1/8" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 3/16" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 1/4 inch socket head cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 5/16" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 3/8" Socket Cap screw, alloy steel with black oxide finish.
#4-40 x 7/16" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 1/2" Socket Head Cap screw, alloy steel with black oxide finish.
#4-40 x 5/8" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 11/16" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 3/4 inch socket head screw, alloy steel with black oxide finish.
#4-40 x 7/8" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
#4-40 x 1" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.
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Black #4-40 Socket Head Socket Cap screws in increasing lengths on white background.Black SAE #4-40 Socket Head cap screws stacked to show different angles on white.Spec Sheet for #4-40 Socket Cap screws showing head dimensions and hex key drive size.#4-40 x 1/8" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 3/16" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 1/4 inch socket head cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 5/16" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 3/8" Socket Cap screw, alloy steel with black oxide finish.#4-40 x 7/16" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 1/2" Socket Head Cap screw, alloy steel with black oxide finish.#4-40 x 5/8" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 11/16" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 3/4 inch socket head screw, alloy steel with black oxide finish.#4-40 x 7/8" Socket Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.#4-40 x 1" Socket Head Cap screw, alloy steel with black oxide finish. Shown with US penny for screw size.

#4-40 Socket Head Cap screws, Alloy Steel with Black Oxide, Coarse Thread

Monster Bolts
Length: #4-40 x 1/8"
Package Quantity: 10
Price:
$3.41

Description

#4-40 Socket Head Cap Screws

Alloy Steel with Thermal Black Oxide Coating – High-Strength Screws

Our #4-40 Socket Head Cap Screws are crafted from high-quality alloy steel and feature a thermal black oxide coating. The black oxide finish provides a clean black appearance and a mild layer of protection against corrosion and abrasion. These screws are engineered for high performance and reliability, making them ideal for both commercial and DIY applications.

The deep socket head allows for high torque installation, ensuring a secure fit, while the thermal black oxide coating enhances durability and resistance to rust and corrosion, making these screws perfect for indoor use and light outdoor applications.

Note: PT = Partial Thread

Key Features

  • High Strength and Durability: Alloy steel construction offers exceptional tensile strength for demanding applications.
  • Black Oxide Finish: Provides a clean black finish and mild corrosion resistance for indoor and light outdoor use.
  • Deep Socket Head: Allows for high torque and secure installation with a flush, professional finish.
  • Precision Threading: Fine threading (40 TPI) ensures a secure fit and precise alignment in tapped holes or with nuts.
  • Easy Installation: 3/32" hex socket drive allows for secure tightening using hex keys or bits.
  • Wide Range of Lengths: Available in various lengths to suit your specific needs.
  • High-Quality Assurance: Monster Bolts offers only the highest quality fasteners that meet or exceed industry standards.

Specifications

  • Diameter: #4
  • Thread Size: 40 TPI – Coarse (Standard) Thread
  • Length: Available in various lengths
  • Drive Type: 3/32" Hex Socket
  • Head Type: Socket Head Cap Screw
  • Material: Alloy Steel with Thermal Black Oxide Coating
  • System of Measurement: Inch (Imperial / U.S.)
  • Standards Met: ANSI/ASME B18.3, ASTM A574

Usage Information

These high-strength socket head cap screws are ideal for applications requiring precise fastening with a professional finish. The 3/32" hex socket drive allows for high torque installation, ensuring a secure fit. The #4-40 size, is commonly used in machinery, equipment assembly, and automotive applications where strength and versatility are important.

Ideal Applications

  • Machinery and Equipment Assembly: Ensures secure fastening and load distribution in industrial machinery.
  • Automotive and Motorcycle Applications: Ideal for securing components in vehicles, providing durability and resistance to vibration.
  • Industrial Equipment: Provides stability and protection in heavy-duty industrial applications.
  • Robotics and Automation Equipment: Ensures precise and reliable fastening in automated systems.
  • Metal and Wood Fabrication: Perfect for securing components in fabrication projects.
  • DIY Projects and Repairs: Suitable for home repairs, furniture assembly, and various do-it-yourself tasks.

Matching Products

  • Nuts: Find matching #4-40 nuts here.
  • Washers: Find matching washers here.
  • Hex Keys: Find 3/32" hex keys and bits here.

Order Yours Today

Enhance your projects with our high-strength #4-40 Socket Head Cap Screws. Perfect for achieving a professional look and secure fastening in demanding applications. Order today and experience Monster Bolts’ fast shipping and superior customer service!

✔️ Trusted by professionals and hobbyists alike

✔️ High-strength alloy steel with thermal black oxide coating

✔️ Available in various lengths to suit your needs

Need assistance? Contact our support team | Shipping and Return Policy

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