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Stainless Hexagon Bar

Stainless hexagon bar (stainless steel hex bar) is a solid stainless steel profile with a six-sided cross-section. It is widely used in fasteners, nuts,

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Stainless Hexagon Bar

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Stainless Steel Profile

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Product Details

Stainless Hexagon Bar: Common Sizes and Dimensional Specifications

Stainless hexagon bar (stainless steel hex bar) is a solid stainless steel profile with a six-sided cross-section. It is widely used in fasteners, nuts, bolts, precision machining parts, and mechanical components where good grip and torque transmission are required.

The key specification of stainless hex bar is measured by the distance across flats (AF), which defines the size of the hexagon shape.

1. Common Stainless Steel Hex Bar Size Range

Stainless steel hex bars are available in a wide range of standard sizes, typically from small precision sizes to heavy industrial sizes.

Across Flats (AF)	Typical Usage	Application Level
5 mm – 10 mm	Small fasteners, precision screws, electronic parts	Precision machining
12 mm – 24 mm	Bolts, nuts, mechanical connectors	General industrial use
27 mm – 50 mm	Heavy-duty fasteners, structural parts	Machinery and construction
55 mm – 80 mm+	Large mechanical components, forging parts	Heavy industry

2. Common Length Specifications

Length Type	Description
Random length	Typically 3–6 meters per bar (standard mill supply)
Fixed cut length	Cut-to-size based on customer requirement
Precision short length	Used for CNC machining and small parts production

3. Dimensional Tolerance and Precision Grades

Hot rolled hex bar: Wider tolerance, economical, structural use
Cold drawn hex bar: High precision, tight AF tolerance
Ground hex bar: Very high accuracy, smooth surface finish

Typical tolerance depends on grade and processing method, especially important for CNC machining and fastener manufacturing.

4. Standard Stainless Steel Grades for Hex Bar

Grade	Main Application
304 / 316	General industrial fasteners, corrosion-resistant parts
303	High-speed machining parts (excellent machinability)
410 / 420	High-strength and wear-resistant components
430	Cost-effective structural and decorative parts

5. Why Size Standardization Matters

Ensures compatibility with wrenches and tooling systems
Improves mass production efficiency for fasteners
Reduces machining waste and processing cost
Supports global standard engineering design systems

6. Stainless Hex Bar Supply Capability

As a professional stainless steel supplier, :contentReference[oaicite:0]{index=0} provides stainless steel hexagon bars in a full range of sizes from small precision grades to heavy industrial specifications. We support hot rolled, cold drawn, and precision ground conditions.

Our products are widely used in fastener manufacturing, machinery production, and engineering fabrication industries worldwide.

Explore our stainless steel products here: Stainless Steel Products

Conclusion

Stainless hexagon bar is available in a wide range of sizes measured by across-flats (AF), typically from 5 mm to over 80 mm. Different size ranges are selected based on precision, load requirements, and industrial application needs.