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Button Head Socket Screws, Inch

Inch button head socket screws combine a low-profile domed head with a hex socket drive, resulting in a fastener that holds up under load without adding bulk to an assembly. At Empire Bolt & Screw, we stock button head socket screws in a range of standard sizes, materials, and finishes for manufacturers who need reliable supply and technical support behind every order. Whatever your application, you can rely on Empire for your button head socket screw supply needs.
Browse the options below to place a custom order for button head socket screws in the sizes, material, styles, and quantities you need. Questions? Contact us, and the team at Empire will gladly assist you.
 
Model Product Size Plate Feature Pkg Qty  
702053 #4-40 x 1/8" Button Hd Socket C/S, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl   1,000
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701303 #4-40 x 1/8" (FT) Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
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Quote
702054 #4-40 x 3/16" Button Hd Socket C/S, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl   1,000
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Quote
701024 #4-40 x 3/16" (FT) Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
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Quote
807075 #4-40 x 1/4" (FT) Button Hd Socket C/S, Tamper Resistant, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl Tamper Resistant 1,000
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Quote
806075 #4-40 x 1/4" (FT) Button Hd Socket C/S, Tamper Resistant, Black Oxide #4-40 Black Oxide Tamper Resistant 1,000
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Quote
291017 #4-40 x 1/4" Button Hd Socket C/S, Nylon Pellet, Black Oxide #4-40 Black Oxide Nylon Pellet 1,000
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Quote
205017 #4-40 x 1/4" Button Hd Socket C/S, Nylon Patch, Black Oxide #4-40 Black Oxide Nylon Patch 1,000
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Quote
839017 #4-40 x 1/4" (FT) Button Hd Socket C/S, Mech. Zinc #4-40 Mech. Zinc   1,000
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Quote
202017 #4-40 x 1/4" Button Hd Socket C/S, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl   1,000
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Quote
201017 #4-40 x 1/4" Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
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Quote
874017 #4-40 x 1/4" (FT) Button Hd Socket C/S, Zinc-Bake #4-40 Zinc-Bake   1,000
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Quote
702057 #4-40 x 5/16" Button Hd Socket C/S, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl   1,000
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Quote
701025 #4-40 x 5/16" (FT) Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
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Quote
874300 #4-40 x 5/16" (FT) Button Hd Socket C/S, Zinc-Bake #4-40 Zinc-Bake   1,000
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Quote
807080 #4-40 x 3/8" (FT) Button Hd Socket C/S, Tamper Resistant, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl Tamper Resistant 1,000
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Quote
806080 #4-40 x 3/8" (FT) Button Hd Socket C/S, Tamper Resistant, Black Oxide #4-40 Black Oxide Tamper Resistant 1,000
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Quote
291018 #4-40 x 3/8" Button Hd Socket C/S, Nylon Pellet, Black Oxide #4-40 Black Oxide Nylon Pellet 1,000
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Quote
205018 #4-40 x 3/8" Button Hd Socket C/S, Nylon Patch, Black Oxide #4-40 Black Oxide Nylon Patch 1,000
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Quote
839018 #4-40 x 3/8" (FT) Button Hd Socket C/S, Mech. Zinc #4-40 Mech. Zinc   1,000
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Quote
202018 #4-40 x 3/8" Button Hd Socket C/S, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl   1,000
Add to
Quote
201018 #4-40 x 3/8" Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
Add to
Quote
874018 #4-40 x 3/8" (FT) Button Hd Socket C/S, Zinc-Bake #4-40 Zinc-Bake   1,000
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Quote
701026 #4-40 x 7/16" (FT) Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
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Quote
807085 #4-40 x 1/2" (FT) Button Hd Socket C/S, Tamper Resistant, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl Tamper Resistant 1,000
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Quote
806085 #4-40 x 1/2" (FT) Button Hd Socket C/S, Tamper Resistant, Black Oxide #4-40 Black Oxide Tamper Resistant 1,000
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Quote
839019 #4-40 x 1/2" (FT) Button Hd Socket C/S, Mech. Zinc #4-40 Mech. Zinc   1,000
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Quote
874019 #4-40 x 1/2" (FT) Button Hd Socket C/S, Zinc-Bake #4-40 Zinc-Bake   1,000
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Quote
702023 #4-40 x 9/16" Button Hd Socket C/S, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl   1,000
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Quote
701048 #4-40 x 9/16" Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
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Quote
702058 #4-40 x 5/8" Button Hd Socket C/S, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl   1,000
Add to
Quote
701028 #4-40 x 5/8" (FT) Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
Add to
Quote
874301 #4-40 x 5/8" (FT) Button Hd Socket C/S, Zinc-Bake #4-40 Zinc-Bake   1,000
Add to
Quote
702059 #4-40 x 3/4" Button Hd Socket C/S, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl   1,000
Add to
Quote
701031 #4-40 x 3/4" (FT) Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
Add to
Quote
702060 #4-40 x 7/8" Button Hd Socket C/S, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl   1,000
Add to
Quote
701032 #4-40 x 7/8" (FT) Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
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Quote
702063 #4-40 x 1" Button Hd Socket C/S, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl   1,000
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Quote
701033 #4-40 x 1" (FT) Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
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Quote
702064 #4-40 x 1-1/4" Button Hd Socket C/S, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl   1,000
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Quote
701050 #4-40 x 1-1/4" Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
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Quote
701330 #4-40 x 1-1/4" (FT) Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
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Quote
291019 #4-40 x 1-1/2" Button Hd Socket C/S, Nylon Pellet, Black Oxide #4-40 Black Oxide Nylon Pellet 1,000
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Quote
205019 #4-40 x 1-1/2" Button Hd Socket C/S, Nylon Patch, Black Oxide #4-40 Black Oxide Nylon Patch 1,000
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Quote
202019 #4-40 x 1-1/2" Button Hd Socket C/S, 18-8 Stnlss Stl #4-40 18-8 Stnlss Stl   1,000
Add to
Quote
201019 #4-40 x 1-1/2" Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
Add to
Quote
701055 #4-40 x 1-1/2" Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
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Quote
701331 #4-40 x 1-1/2" (FT) Button Hd Socket C/S, Black Oxide #4-40 Black Oxide   1,000
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Quote
701056 #4-48 (Fine) x 1/8" Button Hd Socket C/S, Black Oxide #4-48 Black Oxide   1,000
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Quote
701058 #4-48 (Fine) x 3/16" Button Hd Socket C/S, Black Oxide #4-48 Black Oxide   1,000
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Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Feature:
Tamper Resistant
Model:
Size:
#4-40
Plate:
Black Oxide
Feature:
Tamper Resistant
Model:
Size:
#4-40
Plate:
Black Oxide
Feature:
Nylon Pellet
Model:
Size:
#4-40
Plate:
Black Oxide
Feature:
Nylon Patch
Model:
Size:
#4-40
Plate:
Mech. Zinc
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
Zinc-Bake
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
Zinc-Bake
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Feature:
Tamper Resistant
Model:
Size:
#4-40
Plate:
Black Oxide
Feature:
Tamper Resistant
Model:
Size:
#4-40
Plate:
Black Oxide
Feature:
Nylon Pellet
Model:
Size:
#4-40
Plate:
Black Oxide
Feature:
Nylon Patch
Model:
Size:
#4-40
Plate:
Mech. Zinc
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
Zinc-Bake
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Feature:
Tamper Resistant
Model:
Size:
#4-40
Plate:
Black Oxide
Feature:
Tamper Resistant
Model:
Size:
#4-40
Plate:
Mech. Zinc
Model:
Size:
#4-40
Plate:
Zinc-Bake
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
Zinc-Bake
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
Black Oxide
Feature:
Nylon Pellet
Model:
Size:
#4-40
Plate:
Black Oxide
Feature:
Nylon Patch
Model:
Size:
#4-40
Plate:
18-8 Stnlss Stl
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-40
Plate:
Black Oxide
Model:
Size:
#4-48
Plate:
Black Oxide
Model:
Size:
#4-48
Plate:
Black Oxide

What Are Inch Button Head Socket Screws?

A button head socket screw gets its name from its dome-shaped head. Unlike a standard hex bolt, socket screws use an internal hex recess (a socket) for the drive with an Allen key or hex wrench. That recessed drive keeps the head compact while still delivering solid torque during installation.
The dome shape provides a wider bearing surface than many other socket screw styles, which spreads load more evenly across the mating surface. Alloy construction and heat treatment give these screws tensile and yield strength that can rival larger-diameter steel fasteners. Fewer screws can carry the same clamp load in some designs, which reduces both overall weight and total number of fasteners.

Key Features & Benefits

  • Low profile: The domed head sits close to the surface for tight clearances
  • High strength-to-size ratio: Alloy composition and heat treatment let smaller screws do the job of larger fasteners
  • Reliable driver engagement: The tall socket recess resists cam-out and stripping better than many external drive styles
  • Weight and cost savings: Because fewer screws may be needed to hit target clamp loads, assemblies can end up lighter and cheaper to build

Common Applications for Inch Button Head Socket Screws

These screws are used for machine guards, enclosures, fixtures, and related applications, because the low profile keeps moving parts and operators clear of protruding hardware. Furniture and cabinetry manufacturers rely on button heads for visible joints that still need real holding power. Automotive and electronics assemblies use them in brackets, panels, and housings where space is tight.
Robotics and precision machinery are another common use for these screws. Tight tolerances and repeated motion put a premium on a fastener that won't back out or interfere with adjacent components, and button head socket screws deliver on both counts.

Button Head Socket Screw Options at Empire Bolt & Screw

Dimensions & Specifications

Empire Bolt & Screw carries inch button head socket screws across a wide range of sizes and lengths, manufactured to meet standard dimensional tolerances for consistent fit and performance:
  • Sizes: #0-80 up to 3/4"-10
  • Lengths: 3/32" up to 5"

Materials & Finishes

  • 18-8 Stainless Steel
  • Mechanical Zinc
  • Zinc-Bake
  • Black Oxide

Style & Feature Options

Beyond standard button head socket screws, Empire Bolt & Screw offers several thread and drive options for specialized needs:
  • BSW Thread: British Standard Whitworth threading for compatibility with legacy or UK-spec equipment.
  • Nylon Patch: A dab of nylon applied to the threads that creates friction to resist loosening under vibration.
  • Nylon Pellet: A nylon insert embedded in the threads for vibration-resistant locking.
  • Tamper Resistant: A drive style built to prevent removal with standard tools, useful for restricting access to fastened components.

Why Buy Inch Button Head Socket Screws from Empire Bolt?

At Empire Bolt & Screw, we’re dedicated to providing our customers with outstanding quality products and helpful support. When you partner with Empire as your button head socket screw supplier, you can count on:
  • In-house mechanical engineering support, even after you place your order
  • On-site quality assurance laboratory with certified quality control technicians
  • Inventory management expertise to streamline supply with our Vendor Managed Inventory, Kanban, and Just-In-Time programs
  • Fast turnaround and custom ordering options

Contact Us to Order Button Head Socket Screws Today

Request a quote today, or contact Empire Bolt & Screw to discuss your inch button head socket screw requirements. Looking for related fasteners? View our entire socket screw collection.

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Toll-Free US & Canada: 888-534-0636 - Phone: 509-534-0636 - Fax: 509-534-1475