Button Head

Button head machine screws are general-purpose threaded fasteners for maintenance, assembly, repair, fabrication, and shop work. Their lower-crown button head offers a less prominent profile than a round-head screw when fastening compatible threaded components.

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Helpful Buying Guide

Button Head Machine Screw Buying Guide

Use the thread size, screw length, and required Torx drive size to compare button head machine screws for compatible threaded fastening work. The listed options combine lower-crown button heads with steel construction, with zinc finishes specified on selected screws.

Visual Guide

Popular examples in this category

Use Cases

General-purpose threaded fastening

These machine screws are suited to maintenance, assembly, repair, fabrication, and shop tasks involving compatible threaded components.

How to Choose

Match thread and length first

Confirm the required UNC thread designation and select the listed length needed for the fastening task, such as 1/2 inch, 3/4 inch, 1 inch, or 3 inches.

Applications

Choose the preferred head profile

A button head provides a lower-crown, less prominent fastening profile than a round-head screw, making it a practical choice where that head shape is preferred.

Additional Info

Use the compatible Torx driver

Listed drive sizes include T10, T15, T25, and T27. Select a screw that matches the compatible Torx driver available for installation.

4UNC thread sizes

6-32, 8-32, 10-24, and 1/4-20 are represented.

4Torx drive sizes

T10, T15, T25, and T27 are listed.

1/2–3 in.Listed lengths

Representative lengths range from 1/2 inch to 3 inches.

1 eachListed minimum order

Several representative options list an effective minimum order of 1.

Comparison Guide

Compare representative button head machine screw options

Compare the stated thread, length, and Torx drive before selecting a screw for a compatible threaded application.

Thread sizeListed lengthTorx drive
6-32 UNC1 in.T10
8-32 UNC1/2 in.T15
10-24 UNC3/4 in. or 1 in.T25
1/4-20 UNC3 in.T27
Planning Guide

Plan the right fit before choosing

Start with compatibility

Match the machine-screw thread to the threaded component

The available thread designations include 6-32 UNC, 8-32 UNC, 10-24 UNC, and 1/4-20 UNC. Selecting the stated thread designation helps match the screw to the compatible threaded application.

  • 6-32 UNC is listed in a 1-inch length.
  • 8-32 UNC is listed in a 1/2-inch length.
  • 10-24 UNC is listed in 3/4-inch and 1-inch lengths.
  • 1/4-20 UNC is listed in a 3-inch length.
Compare installation details

Select the length and Torx drive for the job

After confirming thread compatibility, compare the stated screw length and drive requirement. The available Torx drive sizes vary by screw option, so installation requires the corresponding compatible driver.

  • T10 is listed with the 6-32 x 1-inch screw.
  • T15 is listed with the 8-32 x 1/2-inch screw.
  • T25 is listed with 10-24 screws.
  • T27 is listed with the 1/4-20 x 3-inch screw.
Review construction and profile

Use a lower-crown button head for a less prominent profile

The button head shape provides a lower crown than a round-head screw. The listed screws are steel, and zinc finishes are specified for the 6-32, 10-24, and 1/4-20 options.

  • Steel construction is listed across the representative options.
  • Zinc finish is specified on selected steel screws.
  • Several listed options have an effective minimum order quantity of 1 each.
FAQ

Common questions before buying

What is the benefit of a button head?

A button head provides a lower-crown, less prominent profile than a round-head screw.

Which Torx drive sizes are listed?

The representative screws use T10, T15, T25, or T27 Torx drives.

What thread sizes are available in the representative products?

Listed thread sizes are 6-32 UNC, 8-32 UNC, 10-24 UNC, and 1/4-20 UNC.

Are these screws intended for general-purpose work?

Yes. The representative products are described for general-purpose maintenance, assembly, repair, fabrication, and shop fastening tasks.