QA1

QA1 Jam Nut - 5/8-18 Left Hand Thread - 15/16 Hex Steel

QA1 Jam Nut - 5/8-18 Left Hand Thread - 15/16 Hex Steel
QA1 Jam Nut - 5/8-18 Left Hand Thread - 15/16 Hex Steel
QA1 Jam Nut - 5/8-18 Left Hand Thread - 15/16 Hex Steel
QA1 Jam Nut - 5/8-18 Left Hand Thread - 15/16 Hex Steel
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QA1 Jam Nut - 5/8-18 Left Hand Thread - 15/16 Hex SteelQA1 Jam Nut - 5/8-18 Left Hand Thread - 15/16 Hex SteelQA1 Jam Nut - 5/8-18 Left Hand Thread - 15/16 Hex SteelQA1 Jam Nut - 5/8-18 Left Hand Thread - 15/16 Hex Steel
QA1

QA1 Jam Nut - 5/8-18 Left Hand Thread - 15/16 Hex Steel

SKU: QAPJNL10S
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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
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Product Details

Product Description
Part Numbers
Sizing & Fit

About QA1

QA1 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full QA1 lineup with fast shipping and expert fitment support — order with confidence.

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QA1 Steel Jam Nut - 5/8-18 Left Hand Thread

Ensure secure connections with the QA1 Steel Jam Nut, specifically designed with a 5/8-18 left-hand thread. This essential hardware piece is crafted from high-carbon steel and features a protective coating for enhanced durability and resistance to corrosion, making it a reliable choice for various automotive applications where a secure locking mechanism is crucial.

Product Details:

  • Thread Size: 5/8-18
  • Thread Direction: Left Hand
  • Hex Size: 15/16 inch
  • Width: 3/8 inch
  • Material: High-Carbon Steel
  • Finish: Protective Coating
  • Application: Ideal for securing components in suspension systems, engine builds, or any application requiring a robust jam nut.
  • Compliance: References ANSI B18.2.2-1972 standards for quality and fitment.

This jam nut is a critical component for maintaining the integrity and safety of your vehicle's assemblies. Whether you're working on a custom build or performing routine maintenance, trust QA1 hardware for dependable performance. Find this and other essential automotive hardware at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About QA1

QA1 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full QA1 lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

QA1 Steel Jam Nut - 5/8-18 Left Hand Thread

Ensure secure connections with the QA1 Steel Jam Nut, specifically designed with a 5/8-18 left-hand thread. This essential hardware piece is crafted from high-carbon steel and features a protective coating for enhanced durability and resistance to corrosion, making it a reliable choice for various automotive applications where a secure locking mechanism is crucial.

Product Details:

  • Thread Size: 5/8-18
  • Thread Direction: Left Hand
  • Hex Size: 15/16 inch
  • Width: 3/8 inch
  • Material: High-Carbon Steel
  • Finish: Protective Coating
  • Application: Ideal for securing components in suspension systems, engine builds, or any application requiring a robust jam nut.
  • Compliance: References ANSI B18.2.2-1972 standards for quality and fitment.

This jam nut is a critical component for maintaining the integrity and safety of your vehicle's assemblies. Whether you're working on a custom build or performing routine maintenance, trust QA1 hardware for dependable performance. Find this and other essential automotive hardware at GGCRACING.

Product Details

Product Description

About QA1

QA1 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full QA1 lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

QA1 Steel Jam Nut - 5/8-18 Left Hand Thread

Ensure secure connections with the QA1 Steel Jam Nut, specifically designed with a 5/8-18 left-hand thread. This essential hardware piece is crafted from high-carbon steel and features a protective coating for enhanced durability and resistance to corrosion, making it a reliable choice for various automotive applications where a secure locking mechanism is crucial.

Product Details:

  • Thread Size: 5/8-18
  • Thread Direction: Left Hand
  • Hex Size: 15/16 inch
  • Width: 3/8 inch
  • Material: High-Carbon Steel
  • Finish: Protective Coating
  • Application: Ideal for securing components in suspension systems, engine builds, or any application requiring a robust jam nut.
  • Compliance: References ANSI B18.2.2-1972 standards for quality and fitment.

This jam nut is a critical component for maintaining the integrity and safety of your vehicle's assemblies. Whether you're working on a custom build or performing routine maintenance, trust QA1 hardware for dependable performance. Find this and other essential automotive hardware at GGCRACING.

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