DORMAN 784-778 Hex Lock Nuts Ring Thread 019495291305 M10-1.50 10MM

( Brand: Dorman ), ( Manufacturer Part Number: 784-778 ), ( Part Type: Ring Lock ), ( Warranty: 90 Day ), ( UPC: 019495291305 ), ( Country Of Manufacture: China ), ( Factory Oem: No ), ( Fitment Type: Direct Replacement )

Review DORMAN Hex Lock Nuts Nylon Ring Class Thread Height 10mm Id

Introducing the Dorman 784-778 Hex Lock Nuts, engineered to provide a reliable and secure solution for your M10-1.50, 10mm threaded applications. These hex lock nuts, also known as hex head or hexagonal nuts, boast a hexagonal recess on their top surface, which allows for use with a wrench or socket for easy and efficient tightening and loosening.

The Dorman 784-778 Hex Lock Nuts are manufactured with high-quality steel, ensuring durability and resistance to corrosion. The ring thread design enables these nuts to be used in applications where multiple nuts are stacked on top of each other. Each nut in the stack threads into the adjacent nut, creating a strong and sturdy connection.

These hex lock nuts are suitable for a variety of automotive and industrial applications where a secure and tight connection is essential. They feature a fine thread pitch of M10-1.50, which corresponds to a thread diameter of 10mm and a thread pitch of 1.5mm. The 10mm size refers to the diameter of the nut's body, and the hexagonal recess measures approximately 12.5mm across its flats, allowing for a standard hex wrench or socket to be used.

The Dorman 784-778 Hex Lock Nuts are an excellent choice for those seeking a high-performance and dependable solution for their M10-1.50, 10mm threaded applications. Their hexagonal shape and ring thread design facilitate easy installation and removal while ensuring a strong and secure connection. These nuts are a must-have for mechanics, technicians, and DIY enthusiasts, making them an indispensable addition to any toolbox or parts inventory.

Dorman 784-778 Hex Lock Nuts: A Comprehensive Analysis

The Dorman 784-778 Hex Lock Nuts are a type of fastener designed for M10-1.50 thread size with a 10mm diameter. These nuts are crucial for various automotive and industrial applications where a secure and strong connection is required. In this analysis, we will discuss the potential advantages and disadvantages of using Dorman 784-778 Hex Lock Nuts.

1. Security: Hex lock nuts provide an additional level of security compared to traditional lock nuts as they cannot be loosened without the use of a hex key. This feature is particularly beneficial in applications where vibration or movement can potentially cause the nut to come loose.

2. Load Capacity: These nuts are engineered to withstand high loads and torque. They are suitable for applications where a large amount of force is required to secure the components.

3. Corrosion Resistance: Dorman 784-778 Hex Lock Nuts are often made of materials such as chrome molybdenum steel, which offers excellent resistance to corrosion. This makes them an ideal choice for applications in harsh environments where the nuts may be exposed to water, acid, or other corrosive agents.

4. Interchangeability: These nuts are widely available and can be used as a replacement for various applications. This allows for flexibility in sourcing and reduces the need for custom solutions.

1. Cost: Compared to traditional lock nuts, hex lock nuts may be more expensive due to their added security features and high-strength materials. This may be a concern for budget-conscious consumers or small-scale projects.

2. Installation: The use of a hex key for installation can be time-consuming and may require additional tools. This may not be a significant disadvantage for large-scale projects or professional applications, but it could be a factor for DIY enthusiasts or those working on a tight schedule.

The Dorman 784-778 Hex Lock Nuts offer several advantages, including increased security, high load capacity, corrosion resistance, and interchangeability. However, they come with some disadvantages, such as higher cost and the need for additional tools for installation. Ultimately, the decision to use these nuts depends on the specific requirements of the application and the trade-offs between cost, convenience, and security.

For applications where security and load capacity are critical, such as automotive, industrial, or heavy machinery, the Dorman 784-778 Hex Lock Nuts are a recommended choice. Their corrosion resistance makes them suitable for harsh environments, and their interchangeability ensures ease of sourcing. Despite the additional cost and installation time, the benefits outweigh the disadvantages for these types of applications. For less demanding projects, traditional lock nuts may be a more cost-effective solution.

Details:

We ll be adding new listings to this line every day at limited quantities so sure to bookmark and keep watch for more great deals. All our products have a 90 day warranty with free live tech support. Brand New Item -, Part Number: 784-778, 90 Day Warranty Included. These nuts are manufactured using durable materials and corrosion tested to ensure required strength longevity.

Please see photos for details.

part #: 784778 prices

• $12.75-$20.72

specifications toolssupp:

• brand: Dorman
• mpn: 784-778
• part type: Ring Lock
• warranty: 90 Day
• upc: 019495291305
• country of manufacture: China
• factory oem: No
• fitment type: Direct Replacement

seller toolssupp:

• # reviews: 34556
• rating: 100.0%
• city: Richmond, Virginia

payments toolssupp:

• wallet: Google-pay
• other
• credit card: Visa

returns toolssupp:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

offer toolssupp:

• started: April 5, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 4

shipping toolssupp:

• transit: 4-8 Days
• cost: $8.30
• class: Standard
• type: Calculated
• carrier: USPS
• service: USPS First Class

general toolssupp:

• condition: New
• Motors > Automotive Tools Supplies > Other Auto Tools Supplies

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