What is the purpose of the knurl on a wheel stud?

The knurl is the serrated or grooved section of the stud that presses into the wheel hub. Its purpose is to grip the metal of the hub and prevent the stud from spinning when you're tightening the lug nuts.

Can I use these studs with wheel spacers?

Yes, these studs are designed with extended lengths that make them suitable for use with wheel spacers. They help ensure that your lug nuts still have enough thread engagement even with the added thickness of a spacer.

Are these studs sold individually or in a set?

This listing is for a single wheel stud. It's a good idea to purchase extras as recommended by H&R, or enough to replace all studs on the hub you are working on.

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H&R Wheel Studs Type 12 X 1.5 Length 50mm Knurl Dia 14.20mm

Specifications

Brand: H&R
Part #: 1255044
UPC: 1255044

H&R Wheel Studs Type 12 X 1.5 Length 50mm Knurl Dia 14.20mm

Name: H&R Wheel Studs Type 12 X 1.5 Length 50mm Knurl Dia 14.20mm
Brand: H&R
SKU: h-r-h-r-wheel-studs-type-12-x-1-5-length-50mm-knurl-dia-14-20mm-t14-247362
Price: 3.55 USD
Availability: InStock

$3.55

In Stock

H&R Wheel Studs Type 12 X 1.5 Length 50mm Knurl Dia 14.20mm. A solid option for replacement or use with spacers.

Key Features

This listing is for one H&R Wheel Stud.
Features a 12 x 1.5mm thread size and 50mm length.
Knurl diameter measures 14.20mm.
Available in a black finish.
Made in Germany.
Suitable for use as OE replacements or with wheel spacers.

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Product Details

This product is a single H&R Wheel Stud, measuring 12 x 1.5mm in thread size and 50mm in length. It features a knurl diameter of 14.20mm and is finished in black. These studs are made in Germany and can be used as direct replacements for your original equipment or when installing wheel spacers.

Having a few extra wheel studs on hand is always a smart idea, especially if you frequently work on your vehicle or swap out wheels. This particular stud offers extended length, making it suitable for applications where you're adding wheel spacers or simply need a longer stud than stock. The 12 x 1.5mm thread pitch and 50mm length are common sizes, and the 14.20mm knurl diameter helps ensure a snug fit into the hub. They are well-made in Germany, so you can expect solid performance.