T&D Machine 12pt Flange Bolt 1/4-20 x 1in — Black Oxide Universal Fastener

SKU: BJJD_05291
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About T&D Machine T&D Machine engineers high-quality automotive parts and ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About T&D Machine

T&D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T&D Machine lineup with fast shipping and expert fitment support — order with confidence.

Versatile 12pt Flange Bolts for Professional Engine Builds

The T&D Machine 1/4-20 x 1in 12pt Flange Bolt is a versatile, high-strength fastener designed for a wide range of universal engine applications. Featuring a durable black oxide finish, these bolts are not only resistant to corrosion but also provide a clean, professional aesthetic for any engine bay. The 12-point flange head design distributes clamping pressure evenly, making it an excellent choice for mounting accessories, brackets, or covers where space and torque accessibility are critical.

Technical Specifications

  • Thread Size: 1/4-20
  • Length: 1.000 inch
  • Head Style: 12-Point Flange
  • Material: High-Strength Steel
  • Finish: Black Oxide

When assembling a performance engine, every bolt matters. These T&D Machine fasteners are manufactured to meet strict quality standards, ensuring that they hold up under the heat and vibration of racing conditions. The flange design eliminates the need for separate washers, simplifying your installation process and reducing the number of parts to manage. Whether you are securing intake components, valve cover accessories, or custom brackets, these bolts offer the reliability and professional look that serious builders demand. Ensure your engine is built to last with high-quality hardware sourced from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About T&D Machine

T&D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T&D Machine lineup with fast shipping and expert fitment support — order with confidence.

Versatile 12pt Flange Bolts for Professional Engine Builds

The T&D Machine 1/4-20 x 1in 12pt Flange Bolt is a versatile, high-strength fastener designed for a wide range of universal engine applications. Featuring a durable black oxide finish, these bolts are not only resistant to corrosion but also provide a clean, professional aesthetic for any engine bay. The 12-point flange head design distributes clamping pressure evenly, making it an excellent choice for mounting accessories, brackets, or covers where space and torque accessibility are critical.

Technical Specifications

  • Thread Size: 1/4-20
  • Length: 1.000 inch
  • Head Style: 12-Point Flange
  • Material: High-Strength Steel
  • Finish: Black Oxide

When assembling a performance engine, every bolt matters. These T&D Machine fasteners are manufactured to meet strict quality standards, ensuring that they hold up under the heat and vibration of racing conditions. The flange design eliminates the need for separate washers, simplifying your installation process and reducing the number of parts to manage. Whether you are securing intake components, valve cover accessories, or custom brackets, these bolts offer the reliability and professional look that serious builders demand. Ensure your engine is built to last with high-quality hardware sourced from GGCRACING.

Product Details

Product Description

About T&D Machine

T&D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T&D Machine lineup with fast shipping and expert fitment support — order with confidence.

Versatile 12pt Flange Bolts for Professional Engine Builds

The T&D Machine 1/4-20 x 1in 12pt Flange Bolt is a versatile, high-strength fastener designed for a wide range of universal engine applications. Featuring a durable black oxide finish, these bolts are not only resistant to corrosion but also provide a clean, professional aesthetic for any engine bay. The 12-point flange head design distributes clamping pressure evenly, making it an excellent choice for mounting accessories, brackets, or covers where space and torque accessibility are critical.

Technical Specifications

  • Thread Size: 1/4-20
  • Length: 1.000 inch
  • Head Style: 12-Point Flange
  • Material: High-Strength Steel
  • Finish: Black Oxide

When assembling a performance engine, every bolt matters. These T&D Machine fasteners are manufactured to meet strict quality standards, ensuring that they hold up under the heat and vibration of racing conditions. The flange design eliminates the need for separate washers, simplifying your installation process and reducing the number of parts to manage. Whether you are securing intake components, valve cover accessories, or custom brackets, these bolts offer the reliability and professional look that serious builders demand. Ensure your engine is built to last with high-quality hardware sourced from GGCRACING.

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