Home › Fasteners › Hex Cap Screws

Hex Cap Screws

Click image to enlarge

Hex cap screws are some of the most common fasteners and are used in countless applications across virtually all industries. Fasteners Etc., Inc. offers standard and metric hex cap screws in various grades and a variety of finishes and platings to suit your unique project requirements. As a reliable fastener provider for Illinois and the surrounding areas, we have the right hex head cap screws for you.

Fasteners Etc., Inc. is a leading supplier of fasteners, anchors, shop supplies, and more. Contact us today with any questions and a team member will happily assist you.

Providing Precision-Made Hex Cap Screws to Urbana & Champaign, IL & Beyond

Our inventory of hex cap screws covers a range of sizes, materials, and grades, so you can find precisely what you need. Based in Central Illinois, we have the right hex head cap screws for any application. Browse our extensive selection of hex cap screws below.

What is a Hex Head Cap Screw?

Hex cap screws feature a six-sided head and either a fully-threaded or partially-threaded shaft. The head style can be fastened with a wrench or socket driver, enabling high-strength tightening and extra secure connections. They can often be fastened with or without a hex nut. Hex head cap screws are used for projects across virtually all industries, from machinery to construction to agriculture and more.

Hex Head Cap Screw Classifications

Fasteners Etc., Inc. supplies various grades of steel hex cap screws for use in numerous applications. Each grade type features variations including standard, metric, and domestic models and more, making these fasteners compatible with a variety of industrial purposes.

Grade 2 Hex Cap Screws: Offer low tensile strength, ideal for general-purpose applications.
Grade 5 & 8.8 Hex Cap Screws: Commonly used for automotive, structural, and machinery projects.
Grade 8 & 10.9 Hex Cap Screws: Provide high tensile strength for high-stress applications.
Stainless Hex Cap Screws: Offer excellent corrosion resistance for intense and high-strength operations.

How Do You Select the Best Hex Head Cap Screw?

Hex head cap screws have various dimensional measurements, which are helpful for accurate inspections and for understanding your project needs. Hex cap screw dimensions can include:

E – Body Diameter
H – Head Height
H + L – Overall Length
LT – Thread Length
F, G – Head Width across Flats & Corners

Fasteners Etc., Inc. suppliers hex cap screws that meet industry standards of ASME B18.2.1. These standards require extreme precision and dimensional tolerances. Understanding the strength requirements of a project is imperative for determining the best grade of screw for a lasting connection.

Hex Cap Screw Grade	Diameter	Length	Tensile Strength, Minimum
Grade 2	¼” to ¾”	½” to 6”	74,000 psi
	¼” to ¾”	6 ¼”+	60,000 psi
	7/8” to 1 ½”	All	60,000 psi
Grade 5	¼” to 1”	All	120,000 psi
Grade 5	1 1//” to 1 ½”	All	105,000 psi
Grade 8	¼” to 1 ½”	All	150,000 psi

What is the Difference Between a Hex Tap Bolt & Hex Cap Screw?

Hex cap screws and hex tap bolts are two different styles of hex fasteners. Hex head cap screws are available in both fully-threaded and partially-threaded options. However, fully-threaded hex cap screws are not available in all sizes and are often partially-threaded in lengths greater than 1 ¼”. Hex tap bolts are always fully threaded, no matter their length, and must be fastened with a compatible nut.

What Sizes are Hex Head Screws?

Hex head cap screws are offered in a wide range of sizes. Fasteners Etc., Inc. supplies standard hex cap screws in lengths as small as ¼” up to 28”, while our metric hex cap screws are available in lengths from 6mm up to 400mm. No matter the size of the hex cap screw you need, you can find it in our inventory.

Fasteners Etc., Inc. is your #1 Provider of Hex Head Cap Screws

Looking for a reliable hex cap screw supplier near you? With primary locations in Urbana, IL, and Bloomington, IL, Fasteners Etc., Inc. is directly positioned to serve Illinois and nearby states. Visit a local store, contact us, or request a quote to place an order today to find the best fasteners for your project.

Filter Your Results