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Hex Bolts

Hex bolts are also commonly known as hex head cap screws or machine bolts.
For higher strength hot dipped galvanized bolts see our Structural Bolts.

Most hex bolts are not fully threaded, and have 3/4" to 2" of thread.
For fully threaded hex bolts please see our Tap Bolts.


Select a Grade & Finish           Hex Bolt
Grade A307 Zinc Plated Hex Bolts
Low carbon steel, best for general use applications (comparable to Grade 2). Zinc Plating is the most common finish and provides moderate protection against corrosion. Shiny silver in color.
Grade 5 Zinc Plated Hex Bolts
Medium carbon steel, for higher strength applications. Indicated by 3 radial lines on the bolt head. Zinc Plating is the most common finish and provides moderate protection against corrosion. Shiny silver in color. Available in Import and USA Made.
Grade 8 Yellow Zinc Plated Hex Bolts
Tempered medium carbon alloy steel, used in high strength and hardness applications. Ranges in color from yellow, to gold, to shiny turquoise or any combination of the 3. Available in both Import and USA Made.
Grade A307 Hot Dipped Galvanized Hex Bolts
Low carbon steel, best for general use applications (comparable to Grade 2). Galvanized bolts are very corrosion resistant and are commonly used outdoors. Galvanized bolts must be used with galvanized nuts due to the thickness of the coating.
Stainless Steel Hex Bolts
18-8 Stainless Steel provides a high level of corrosion resistance, and is recommended for use outdoors. 316 Stainless provides the highest level of corrosion resistance, and is recommended for food-grade applications, as well as salt-water applications.
Plain Finish Hex Bolts
Plain Finish Steel with no corrosion resistance, has a light oil coating. Color ranges from grey to carbon black. This coating is not stocked, all sizes are sold in bulk only to be drop shipped. Available in Grade 2, Grade 5, and Grade 8. Import & USA.
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