DORMAN/AUTOGRADE 459-440 Cap Screw Flanged Hex Head 019495594406 10.9 M8-1.25 40MM

( Brand: Dorman/autograde ), ( Manufacturer Part Number: 459-440 ), ( Warranty: 1 Year Replacement ), ( California Prop 65 Warning: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. ), ( UPC: 019495594406 ), ( Type: Hardware, Fasteners And Fittings )

Review DORMAN/AUTOGRADE Cap Screw flanged Hex Head class 10.9 40mm

Introducing the Dorman/Autograde 459-440 cap screw, an essential fastener for various automotive applications. This high-strength cap screw boasts a flanged hex head design, ensuring a secure and reliable connection. Classified as a Class 10.9 fastener, it is engineered to withstand heavy loads and provide superior holding power.

The M8 thread pitch of this cap screw is ideal for standard automotive applications, enabling a snug fit in various components. The screw features a length of 40mm, providing ample thread engagement for a strong and dependable attachment.

The hexagonal head of the Dorman/Autograde 459-440 cap screw offers enhanced accessibility when installing or removing the screw. Its flanged design adds an extra layer of security by preventing the screw from backing out under high torque conditions.

Manufactured from premium quality materials, this cap screw exhibits excellent tensile strength and resistance to corrosion. It is an excellent choice for automotive applications that require a robust and long-lasting fastener.

The Dorman/Autograde 459-440 cap screw is compatible with various automotive systems and components, including engines, transmissions, and suspension systems. It is the perfect solution for any automotive enthusiast or professional mechanic seeking a reliable and durable cap screw for their projects or repairs.

In summary, the Dorman/Autograde 459-440 cap screw is a high-strength, M8 x 1.25, 40mm cap screw with a flanged hex head design, ideal for automotive applications that demand superior holding power and resistance to corrosion. Its Class 10.9 rating, flanged hex head, and M8 thread pitch make it an essential component for various automotive systems and components.

A Comparative Analysis of Dorman/Autograde 459-440 Cap Screws

The Dorman/Autograde 459-440 cap screw is a flanged hex head class 10.9 M8-1.25 40mm fastener. This type of screw is commonly used in various automotive applications. In this analysis, we will discuss the pros and cons of purchasing these cap screws.

1. High Tensile Strength: Class 10.9 screws have a minimum tensile strength of 109,000 PSI, which ensures the screw can withstand significant loads and stress.

2. Flanged Hex Head: The flanged hex head design allows for easy installation using a socket wrench, providing more torque and reducing the risk of rounding off the screw head.

3. Corrosion Resistance: These cap screws are often coated or plated with materials like zinc or cadmium, offering added protection against corrosion and extending their lifespan.

1. Cost: Dorman/Autograde 459-440 cap screws may be more expensive compared to standard M8 screws due to their higher tensile strength and additional features.

2. Limited Size Availability: These cap screws are only available in specific dimensions, which may not cover every application.

3. Potential Over-tightening: The flanged hex head design can make it easier to over-tighten the screws, potentially damaging the surrounding materials or causing leaks.

Dorman/Autograde 459-440 cap screws offer several advantages, such as high tensile strength, easy installation, and corrosion resistance. However, they also come with some drawbacks, like a higher cost and the potential for over-tightening.

If you require a high-strength and corrosion-resistant fastener for your automotive project, Dorman/Autograde 459-440 cap screws are a solid choice. Ensure you have the correct dimensions for your application and consider investing in a torque wrench to avoid over-tightening the screws.

Details:

part #: 459440 prices

• $13.00-$24.99

specifications toolssupp:

• brand: Dorman/autograde
• mpn: 459-440
• warranty: 1 Year Replacement
• california prop 65 warning: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm.
• upc: 019495594406
• type: Hardware, Fasteners And Fittings

seller toolssupp:

• rating: 99.4%
• city: Colmar, Pennsylvania
• # reviews: 129550

general toolssupp:

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

offer toolssupp:

• started: January 7, 2026
• quantity: 2
• availability: In Stock
• options: Ship-to-home
• sold: 0

shipping toolssupp:

• type: Fixed
• service: Economy, Standard, Expedited, Overnight
• transit: 3-7 Days
• class: Economy, Standard, Expedited, One-day
• cost: $0.00

returns toolssupp:

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

payments toolssupp:

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

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