Request a Custom Part
Click image to enlarge

Flat Head Socket Cap Screws, Inch

Flat Head Socket Screws, also known as flat head cap screws, are the fastener of choice in high precision, high strength assemblies requiring a finely tooled appearance. The V-shaped 82° head allows the screw to be countersunk into the mating surface material, affording a completely flush profile. Flat head socket screws' alloy composition and heat treatment result in exceptionally high tensile and yield strength. Because of these design advantages, flat head socket screws may be comparable in strength to the next larger diameter of a common, low-carbon steel flat head machine screw. The increased strength of flat head socket cap screws means fewer screws are required in some assemblies to achieve specific clamp loads, reducing weight and cost.

Your Source for Flat Head Socket Screws in Bulk

Empire Bolt & Screw is a trusted supplier of premium fastening products, including flat head socket screws in inch and metric sizing. Request a quote today for pricing information on special orders.
 
Model Product Size Plate Feature Pkg Qty  
212088 5/16"-18 x 1/2" Flat Hd Socket C/S, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl   1,000
Add to
Quote
215164 5/16"-18 x 1/2" Flat Hd Socket C/S, Nylon Patch, Black Oxide 5/16"-18 Black Oxide Nylon Patch 1,000
Add to
Quote
211157 5/16"-18 x 1/2" Flat Hd Socket C/S, Black Oxide 5/16"-18 Black Oxide   1,000
Add to
Quote
712337 5/16"-18 x 1/2" Flat Hd Socket C/S, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl   1,000
Add to
Quote
808257 5/16"-18 x 1/2" (FT) Flat Hd Socket C/S, Tamper Resistant, Black Oxide 5/16"-18 Black Oxide Tamper Resistant 1,000
Add to
Quote
809257 5/16"-18 x 1/2" (FT) Flat Hd Socket C/S, Tamper Resistant, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl Tamper Resistant 1,000
Add to
Quote
840157 5/16"-18 x 1/2" (FT) Flat Hd Socket C/S, Mech. Zinc 5/16"-18 Mech. Zinc   1,000
Add to
Quote
875157 5/16"-18 x 1/2" (FT) Flat Hd Socket C/S, Zinc/Bake 5/16"-18 Zinc/Bake   1,000
Add to
Quote
211159 5/16"-18 x 5/8" Flat Hd Socket C/S, Black Oxide 5/16"-18 Black Oxide   1,000
Add to
Quote
212091 5/16"-18 x 5/8" Flat Hd Socket C/S, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl   1,000
Add to
Quote
215163 5/16"-18 x 5/8" Flat Hd Socket C/S, Nylon Patch, Black Oxide 5/16"-18 Black Oxide Nylon Patch 1,000
Add to
Quote
808258 5/16"-18 x 5/8" (FT) Flat Hd Socket C/S, Tamper Resistant, Black Oxide 5/16"-18 Black Oxide Tamper Resistant 1,000
Add to
Quote
809258 5/16"-18 x 5/8" (FT) Flat Hd Socket C/S, Tamper Resistant, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl Tamper Resistant 1,000
Add to
Quote
840159 5/16"-18 x 5/8" (FT) Flat Hd Socket C/S, Mech. Zinc 5/16"-18 Mech. Zinc   1,000
Add to
Quote
875159 5/16"-18 x 5/8" (FT) Flat Hd Socket C/S, Zinc/Bake 5/16"-18 Zinc/Bake   1,000
Add to
Quote
212094 5/16"-18 x 3/4" Flat Hd Socket C/S, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl   1,000
Add to
Quote
712338 5/16"-18 x 3/4" Flat Hd Socket C/S, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl   1,000
Add to
Quote
211161 5/16"-18 x 3/4" Flat Hd Socket C/S, Black Oxide 5/16"-18 Black Oxide   1,000
Add to
Quote
215169 5/16"-18 x 3/4" Flat Hd Socket C/S, Nylon Patch, Black Oxide 5/16"-18 Black Oxide Nylon Patch 1,000
Add to
Quote
293169 5/16"-18 x 3/4" Flat Hd Socket C/S, Nylon Pellet, Black Oxide 5/16"-18 Black Oxide Nylon Pellet 1,000
Add to
Quote
808260 5/16"-18 x 3/4" (FT) Flat Hd Socket C/S, Tamper Resistant, Black Oxide 5/16"-18 Black Oxide Tamper Resistant 1,000
Add to
Quote
809260 5/16"-18 x 3/4" (FT) Flat Hd Socket C/S, Tamper Resistant, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl Tamper Resistant 1,000
Add to
Quote
840161 5/16"-18 x 3/4" (FT) Flat Hd Socket C/S, Mech. Zinc 5/16"-18 Mech. Zinc   1,000
Add to
Quote
875161 5/16"-18 x 3/4" (FT) Flat Hd Socket C/S, Zinc/Bake 5/16"-18 Zinc/Bake   1,000
Add to
Quote
712194 5/16"-18 x 7/8" Flat Hd Socket C/S, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl   1,000
Add to
Quote
721166 5/16"-18 x 7/8" (FT) Flat Hd Socket C/S, Black Oxide 5/16"-18 Black Oxide   1,000
Add to
Quote
875396 5/16"-18 x 7/8" Flat Hd Socket C/S, Zinc/Bake 5/16"-18 Zinc/Bake   1,000
Add to
Quote
212097 5/16"-18 x 1" Flat Hd Socket C/S, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl   1,000
Add to
Quote
712339 5/16"-18 x 1" Flat Hd Socket C/S, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl   1,000
Add to
Quote
211163 5/16"-18 x 1" Flat Hd Socket C/S, Black Oxide 5/16"-18 Black Oxide   1,000
Add to
Quote
215175 5/16"-18 x 1" Flat Hd Socket C/S, Nylon Patch, Black Oxide 5/16"-18 Black Oxide Nylon Patch 1,000
Add to
Quote
293175 5/16"-18 x 1" Flat Hd Socket C/S, Nylon Pellet, Black Oxide 5/16"-18 Black Oxide Nylon Pellet 1,000
Add to
Quote
808265 5/16"-18 x 1" (FT) Flat Hd Socket C/S, Tamper Resistant, Black Oxide 5/16"-18 Black Oxide Tamper Resistant 1,000
Add to
Quote
840163 5/16"-18 x 1" (FT) Flat Hd Socket C/S, Mech. Zinc 5/16"-18 Mech. Zinc   1,000
Add to
Quote
875163 5/16"-18 x 1" (FT) Flat Hd Socket C/S, Zinc/Bake 5/16"-18 Zinc/Bake   1,000
Add to
Quote
721168 5/16"-18 x 1 1/8" (FT) Flat Hd Socket C/S, Black Oxide 5/16"-18 Black Oxide   1,000
Add to
Quote
212100 5/16"-18 x 1-1/4" Flat Hd Socket C/S, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl   1,000
Add to
Quote
712340 5/16"-18 x 1-1/4" Flat Hd Socket C/S, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl   1,000
Add to
Quote
210050 5/16"-18 x 1-1/4" Flat Hd Socket C/S, *USA*, Black Oxide 5/16"-18 Black Oxide USA 1,000
Add to
Quote
211165 5/16"-18 x 1-1/4" Flat Hd Socket C/S, Black Oxide 5/16"-18 Black Oxide   1,000
Add to
Quote
215181 5/16"-18 x 1-1/4" Flat Hd Socket C/S, Nylon Patch, Black Oxide 5/16"-18 Black Oxide Nylon Patch 1,000
Add to
Quote
293181 5/16"-18 x 1-1/4" Flat Hd Socket C/S, Nylon Pellet, Black Oxide 5/16"-18 Black Oxide Nylon Pellet 1,000
Add to
Quote
808270 5/16"-18 x 1-1/4" (FT) Flat Hd Socket C/S, Tamper Resistant, Black Oxide 5/16"-18 Black Oxide Tamper Resistant 1,000
Add to
Quote
809270 5/16"-18 x 1-1/4" (FT) Flat Hd Socket C/S, Tamper Resistant, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl Tamper Resistant 1,000
Add to
Quote
840165 5/16"-18 x 1-1/4" (FT) Flat Hd Socket C/S, Mech. Zinc 5/16"-18 Mech. Zinc   1,000
Add to
Quote
875165 5/16"-18 x 1-1/4" (FT) Flat Hd Socket C/S, Zinc/Bake 5/16"-18 Zinc/Bake   1,000
Add to
Quote
721170 5/16"-18 x 1 3/8" (FT) Flat Hd Socket C/S, Black Oxide 5/16"-18 Black Oxide   1,000
Add to
Quote
212103 5/16"-18 x 1-1/2" Flat Hd Socket C/S, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl   1,000
Add to
Quote
215187 5/16"-18 x 1-1/2" Flat Hd Socket C/S, Nylon Patch, Black Oxide 5/16"-18 Black Oxide Nylon Patch 1,000
Add to
Quote
712341 5/16"-18 x 1-1/2" Flat Hd Socket C/S, 18-8 Stnlss Stl 5/16"-18 18-8 Stnlss Stl   1,000
Add to
Quote

Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Nylon Patch
Model:
Size:
5/16"-18
Plate:
Black Oxide
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Tamper Resistant
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Feature:
Tamper Resistant
Model:
Size:
5/16"-18
Plate:
Mech. Zinc
Model:
Size:
5/16"-18
Plate:
Zinc/Bake
Model:
Size:
5/16"-18
Plate:
Black Oxide
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Nylon Patch
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Tamper Resistant
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Feature:
Tamper Resistant
Model:
Size:
5/16"-18
Plate:
Mech. Zinc
Model:
Size:
5/16"-18
Plate:
Zinc/Bake
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Model:
Size:
5/16"-18
Plate:
Black Oxide
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Nylon Patch
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Nylon Pellet
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Tamper Resistant
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Feature:
Tamper Resistant
Model:
Size:
5/16"-18
Plate:
Mech. Zinc
Model:
Size:
5/16"-18
Plate:
Zinc/Bake
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Model:
Size:
5/16"-18
Plate:
Black Oxide
Model:
Size:
5/16"-18
Plate:
Zinc/Bake
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Model:
Size:
5/16"-18
Plate:
Black Oxide
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Nylon Patch
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Nylon Pellet
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Tamper Resistant
Model:
Size:
5/16"-18
Plate:
Mech. Zinc
Model:
Size:
5/16"-18
Plate:
Zinc/Bake
Model:
Size:
5/16"-18
Plate:
Black Oxide
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
USA
Model:
Size:
5/16"-18
Plate:
Black Oxide
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Nylon Patch
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Nylon Pellet
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Tamper Resistant
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Feature:
Tamper Resistant
Model:
Size:
5/16"-18
Plate:
Mech. Zinc
Model:
Size:
5/16"-18
Plate:
Zinc/Bake
Model:
Size:
5/16"-18
Plate:
Black Oxide
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl
Model:
Size:
5/16"-18
Plate:
Black Oxide
Feature:
Nylon Patch
Model:
Size:
5/16"-18
Plate:
18-8 Stnlss Stl

Flat Head Socket Cap Screws

Flat head socket screws have a flat, countersunk head with a hexagonal socket for driving. After installation, they sit flush with the substrate's surface, providing a smooth finish. These screws offer reliable fastening and are available in various material and finish options.

Material & Finish Options for Flat Head Socket Cap Screws

Flat head socket cap screws are available in various materials and finish options for enhanced strength and corrosion resistance properties. Materials and finish options for flat head socket cap screws include:
  • 18.8 Stainless Steel Flat Head Socket Cap Screws
  • Black Oxide Finish for Flat Head Socket Cap Screws
  • Mechanical Zinc Finish for Flat Head Socket Cap Screws
  • Zinc/Bake Plating for Flat Head Socket Cap Screws

Industrial Applications for Flat Head Socket Cap Screws

Flat head socket screws are commonly used in industrial and commercial manufacturing applications. These screws are found in automotive components, aerospace equipment, metal fabrication applications, construction, and more. Flat head socket screws provide a flush and recessed finish, making them suitable for applications requiring a very low-profile and secure installation.

Empire Is Your Source for Custom Fasteners, VMI Services, & More

At Empire, we are a one-stop shop for our customers' fastener supply needs. In addition to our extensive selection of standard industrial fasteners, we specialize in manufacturing custom fasteners that can be crafted to meet any application's requirements. Our engineers work closely with you to ensure your custom fasteners meet your application's proper dimensions, materials, and other design specifications.
We also provide a range of additional services, including VMI services, custom kitting & packaging, fast shipping, and more. At Empire, we go the extra mile to ensure our customers have the best purchasing experience for their industrial fastener needs.

Contact Us to Learn How We Can Supply All Your Fastener Needs

Contact Empire Bolt & Screw to learn how we can provide you with premium industrial fasteners, including flat head socket screws. You can also request a quote online for pricing information on special orders. Empire Bolt & Screw is your source for industrial and commercial fasteners for all applications.

© 2024 Empire Bolt & Screw Inc. - 1501 E Trent Avenue - Spokane, WA 99202-2938
Toll-Free US & Canada: 888-534-0636 - Phone: 509-534-0636 - Fax: 509-534-1475