Grade 8 & 10.9 Hex Cap Screws (High-Strength Alloy)

Hex cap screws feature a six-sided head and are available with either a full thread or partially threaded shaft. The hex head style is designed for high-torque tightening and is ideal for installation into tapped holes or for through-bolt applications when secured with hex nuts and flat washers.
 

Grade 8 Hex Head Cap Screws (Inch)

Grade 8 hex cap screws are essential for projects demanding high tensile strength (150,000 psi) and superior wear resistance. Identified by six radial lines on the head, these hex head bolts are constructed from heat-treated medium carbon alloy steel to meet ASME B18.2.1 standards. We stock plain and yellow zinc plated finishes, including a line of Domestic/USA Grade 8 Grade 8 Hex Cap Screws for projects requiring traceable domestic hardware.
 

Metric Class 10.9 Hex Cap Screws

For metric applications, we supply Class 10.9 metric hex cap screws. These alloy steel screws are comparable to Grade 8 in strength and are available in plain, zinc, and yellow zinc plated finishes. Our metric hex cap screws are sourced to meet various DIN and ISO standards, including DIN 933 and DIN 931 specifications. Depending on your load requirements, you can choose between Grade 5 or 8 and Class 8.8 or 10.9 to ensure the best fit for your specific quantity and project needs.
 

Your Trusted Nationwide Grade 8 & 10.9 Hex Cap Screw Supplier

Fasteners Etc., Inc. makes it easy to shop online for high-strength Grade 8 and 10.9 hex cap screws. Our digital storefront features a massive inventory of alloy steel fasteners in various sizes and finishes, including yellow zinc plated and plain steel, built for the most demanding industrial applications. As a veteran-owned business, we provide fast nationwide shipping on all online orders. Whether you need a specific quantity or volume discounts for bulk projects, we combine technical expertise with exceptional customer service. Trust us as your reliable online source for premium hex head bolts and high-tensile hardware.

Don’t see the specific SKU or dimension you need? Please contact us or submit a request for quote today for expert assistance with your high-volume requirements.