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What is the Standard Size of hex bar?

What is the Standard Size of hex bar?

Absolutely, the hexagonal bar, often referred to as hex bar, is a versatile form of stainless-steel bar stock that finds extensive use across various industries due to its unique shape and properties. The standard sizes of hex bars are crucial in manufacturing and construction applications. Let’s delve into the specifics:

Understanding Hex Bars

Hex bars are solid bars with six sides, resembling the shape of a hexagon. They are available in a range of sizes and are typically made from stainless steel, carbon steel, alloy steel, or other metals. The width across flats (WAF) and the size of the bar determine its dimensions.

Standard Size Ranges

1. Width Across Flats (WAF): The standard size of hex bars is measured across the flats, which is the distance between two parallel sides. The common WAF sizes range from 0.25 inches to 3 inches or more, with increments typically in 1/8-inch or 1/4-inch steps.

2. Length: Hex bars come in various lengths, usually ranging from 12 feet to 20 feet in commercial lengths. However, custom lengths can also be produced based on specific requirements.

Common Dimensions

  • Small Hex Bars: These can have WAF sizes starting from 0.25 inches up to around 1 inch.
  • Medium Hex Bars: Typically have WAF sizes ranging from 1 inch to 2 inches.
  • Large Hex Bars: Sizes exceeding 2 inches and going up to 3 inches or more fall into this category.

Applications and Uses

1. Manufacturing and Machinery: Hex bars are widely used in the manufacturing of machinery parts, fasteners, and components due to their strength and ease of machining.

2. Construction: They find application in construction for producing supports, braces, and structural components.

3. Automotive Sector: Hex bars are utilized in the automotive industry for making various parts and components due to their durability and resistance to corrosion.

4. Tool Making: They are crucial in tool manufacturing, especially for creating hexagonal tools like wrenches and sockets.

Special Considerations

  • Tolerances: The manufacturing of hex bars adheres to specific tolerances in size, straightness, and surface quality, ensuring precise dimensions for various applications.
  • Materials: Hex bars are available in different materials, each offering specific properties suited for particular applications, such as stainless steel for corrosion resistance and alloy steel for added strength.


The standard size of Hex Bars covers a wide range of dimensions, allowing for their versatile use across multiple industries. Understanding these sizes and their applications is essential for selecting the right hex bar to meet specific project requirements. The flexibility in size and material choices contributes to the widespread adoption of hex bars in various manufacturing and construction processes.yt6

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