Does the QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel fit my vehicle?

Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.

How long is shipping for QA1?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How do I install the QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel?

Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.

Does the QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel fit my vehicle?

Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.

How long is shipping for QA1?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How do I install the QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel?

Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.

Does the QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel fit my vehicle?

Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.

How long is shipping for QA1?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How do I install the QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel?

Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.

Does the QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel fit my vehicle?

Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.

How long is shipping for QA1?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How do I install the QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel?

Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.

Does the QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel fit my vehicle?

Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.

How long is shipping for QA1?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How do I install the QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel?

Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.

QA1

QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel

Name: QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel
Brand: QA1
SKU: QAPJNL5S
Price: 0.99 USD
Availability: InStock

Roll over image to zoom in Click on image to zoom

QA1

QA1 Jam Nut - 5/16-24 Left Hand - 1/2in Hex 3/16in Wide - Steel

SKU: QAPJNL5S

No reviews

About QA1 QA1 engineers high-quality automotive parts and accessories trusted ...Read More

Price:

$0.99

Quantity:

Add To Cart

Car Wheel Size Chart

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

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

Ships FAST in USA

Guaranteed Low Price

GGCRACING Discount

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.

QA1 Steel Jam Nut - Robust Security for Your Projects

Ensure maximum security and precise adjustment with the QA1 Steel Jam Nut. This jam nut features a 5/16-24 left-hand thread, designed for dependable performance in various applications. The 1/2 inch hex size offers excellent leverage for installation and tightening, while the 3/16 inch width provides a solid locking surface.

Built to Last

Constructed from high-carbon steel, this jam nut is engineered for strength and longevity. A protective coating is applied to enhance its resistance to rust and environmental damage. It meets ANSI B18.2.2-1972 standards, ensuring it performs to industry expectations.

Key Details:

Thread Size: 5/16-24 Left Hand
Hex Size: 1/2 inch
Width: 3/16 inch
Material: High-Carbon Steel
Finish: Protective coating
Compliance: ANSI B18.2.2-1972

This QA1 jam nut is an ideal choice for automotive repairs, custom builds, and industrial equipment where a strong, reliable locking nut is required. Rely on QA1 for high-quality hardware that stands up to the test. Get your QA1 Steel Jam Nut today at GGCRACING.