The Hub Bolt 2.5" Nut No. 33 (Without Washer) is a mechanical fastener used in a variety of applications, including automotive, agricultural, and industrial machinery, specifically for securing hub assemblies, axles, or other critical components where a secure, high-strength fastening is required.

Key Specifications:

• 2.5" Length: The 2.5-inch (approximately 63.5 mm) length refers to the bolt’s overall length, from the underside of the bolt head to the tip. This size is typically used for fastening components where the bolt needs to pass through thicker parts, such as multiple layers of material, or for mounting larger machinery parts.

• Nut No. 33: This refers to the specific size and type of nut that pairs with the 2.5-inch bolt. The Nut No. 33 is designed to fit the threads of the bolt, ensuring a secure, tight fit when the nut is tightened. The numbering usually indicates a specific size or thread pattern, which ensures compatibility and allows for proper torque and load distribution.

• Without Washer: The absence of a washer in this assembly means that the nut will directly contact the surface being fastened. Washers are often used to distribute pressure and protect surfaces from damage, but this version does not include a washer. As a result, it may be used in applications where the surfaces being fastened are designed to withstand the direct pressure from the nut or where a washer is not necessary for the particular application.

Function and Use:

• The Hub Bolt 2.5" Nut No. 33 is commonly used in machinery and vehicles for fastening components in the hub assembly, such as wheel hubs in vehicles or axles in agricultural or industrial machines. It is designed to provide strong, reliable fastening where the parts being connected are under high stress or rotational forces.

• Without the washer, the nut will apply pressure directly to the surface of the component being fastened, which might be suitable for certain environments where a washer isn’t needed, or where the surfaces involved are rugged enough to handle the pressure without damage.

Importance in Machinery:

• Secure Attachment: The bolt and nut ensure that critical components like wheel hubs, axles, or other parts stay securely in place. This is especially important in systems where the components undergo significant stress or movement, such as in vehicles, harvesters, or industrial machinery.

• High Load Handling: The 2.5-inch length allows for greater load-bearing capacity, ensuring that the fastener can withstand significant forces, whether from rotational motion, vibration, or weight.

• Cost-Effective: While it does not include a washer, this bolt and nut setup might be used in cases where the extra cost or space of a washer is not necessary, or where the fastening mechanism itself is robust enough to function without one.

In summary, the Hub Bolt 2.5" Nut No. 33 (Without Washer) is a durable and effective fastening solution for securely attaching critical components in machines and vehicles, such as wheel hubs or axles, where the washer is not required. Its reliable design ensures that the parts stay firmly in place under high-stress conditions.