Table of Contents
What does hex size mean?
Hex nut size refers to its nominal thread diameter. Typically, sizes range from 1/4″ to about 2 1/2″. Size is specified in inches, usually fractional rather than decimal. Width across flats, which is wrench size, ranges from 1.50 to 1.75 times the nominal hex nut size and thickness is 0.850 to 0.875 times the size.
What do lug nut numbers mean?
The final number refers to the length of the thread engagement. The number “1” means that the nut features 1 inch of internal thread engagement length. For example, a 14 x 1.5 x 70 wheel bolt would indicate a 14 mm diameter, a 1.5 thread pitch and a thread or shank length of 70 mm.
Does hex size on lug nut matter?
HEX 22MM represents the size socket the lug nut is designed to be taken off with. You want the correct hex size because its inconvenient if they are not all the same and you are taking off the tire. It also represents the size of the “socket” end of the tool supplied by the manufacturer with the spare tire kit.
When would you use a hex nut?
Hex bolts can be used for infrastructure that requires a strong fastener with high tensile strength properties due to their design and base materials. As mentioned, they can also be used in tight spaces with limited access because tools can access them from all angles due to the six points of contact on the hex head.
What is an acorn lug nut?
A conical seat lug nut is sometimes called an “acorn” or a “tapered” lug nut. This is the most common seat type. They are available with 60° or 45° taper. A 60° Conical Seat is the most common and is found on most aftermarket wheels.
What torque should my lug nuts be at?
New wheels should be re-torqued after the first 50 to 100 driving miles.
| Hardware Bolt or Stud Size | Typical Torque Range in Ft/Lbs | Minimum Number of Turns of Hardware Engagement |
|---|---|---|
| 14 x 1.25 mm | 85 – 90 | 9 |
| 7/16 in. | 70 – 80 | 9 |
| 1/2 in. | 75 – 85 | 8 |
| 9/16 in. | 135 – 145 | 8 |
Can you drive without lug nuts?
You can safely drive at legal speeds with a missing lug nut; however, you should head to your nearest tire shop as soon as possible. Over time, this excess pressure can wear down the other lug nuts. If you are driving with a missing lug nut, it is highly important you have it replaced as soon as possible.
Does hex size matter?
A plugs hex size determines the socket required for installation. Remember to take into consideration not only the diameter of the cylinder head, but also the added thickness of the plug socket needed for installation.
What are wheel studs and hex nuts?
Wheel studs are the threaded studs that stick out of the wheel hub (and if you’re a Subaru owner, you’ve probably broken many wheel studs). Hex nuts come in different styles and vary with the shape required to sit on the wheel properly.
What are hex key lug nuts used for?
Hex key lug nuts provide a smooth outer appearance and are commonly used with wheels that have a very small counter bore for the lug nut to fit into. These lug nuts require a hex key to install or remove them.
What are the different types of hex nuts?
Hex nuts are typically made of steel and chrome plated but you can also find them in lightweight materials such as aluminum (and anodized in different colors) or titanium. Also known as a ball seat lug. These have a hex shaped head and a round/dome shaped end for the part of the lug that makes contact with the wheel.
Where are lug nuts used in a car?
Commonly found in racing applications or when wheel spacers and extended wheel studs are used. Many European cars use something called a lug bolt. A lug bolt features a threaded stem attached to a tapered head. Unlike a lug nut, where the bolt threads onto the wheel stud that is fixed onto a hub, a lug bolt threads onto the hub.