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Views: 1 Author: Site Editor Publish Time: 2023-08-26 Origin: Site
To fix the disk to the wheel hub, special bolts are used applicable to alloy wheels. The use of bolts from stamped discs is unacceptable. Depending on the mounting design, alloy wheel nuts may also be used, stamped wheel nuts are also not applicable to use with alloy wheels.
For confident movement of the car, the wheels must hold firmly. For this purpose, there are bolts for rims. This part is part of the mounting system. With its proper selection in the future, squeaks and knocks during the ride are excluded.
Among other things, a wheel bolt is considered an element of auto-tuning. Cast hubcaps enhance the performance of any sedan by easily changing the look. However, when replacing, the problem arises of finding new fasteners, since there are no universal ones.
Reliable fastening to the hub is a guarantee of the safety of the driver and passengers in the car
When choosing, you must decide on the following parameters:
Dimensions. External characteristics are not decisive in the selection. It is important to determine the diameter, length, depth and width of the well, turns.
Material. This is no less important point in the selection of fasteners. The main requirements in this case are aesthetic appearance and high strength. Budget products are made from metal, the rest - from high-quality steel.
Appearance. The black metal stem negates the effect of cast caps. On the modern Russian tuning market, a wide range with a decorative coating is presented. It remains only to make a choice.
A variety of vehicles determines a wide range of fittings. For this reason, not all models are the same and are not suitable for every car. Each nut has a special design.
How are wheel bolts different from each other?
Thread. The most common models with diameters of 12-14, while the pitch is 1.5 mm. Tighten in such a way that the number of revolutions is at least 8 for a strong fastening.
The depth and width of the well for fasteners.
Long. This indicator should be calculated so that when screwing into the hub, the steel product sticks out from the back. In this case, you will get a reliable connection.
The material from which the products are made: black iron or steel.
Top coating: molybdenum, chrome or nickel.
Depending on the shape and size, the following types of automotive bolts are distinguished:
Spherical. The hat is rounded.
Conical. They have a classic cone shape with an attachment angle of 60 degrees.
Short. Used for stamping.
Long. Used for casting.
A separate category includes secret and eccentric models. They have unique shapes and designs.
For car owners, the issue of protecting the car from theft or theft of parts has become no less relevant. Along with alarms and anti-theft tools, secret bolts are popular.
They have a special wrench head that comes with the kit. Only the owner can open it. Vandals can forcefully try to remove the wheels, still nothing will come of it.
It is no secret that car services have similar keys that are easy to pick up.
For maximum protection, it is advisable to choose the least common product
Types of secrets:
With curly profile. Lines of various curvature are drawn on the object. An intricate pattern is stamped on the head, the imprint of which is repeated on the hollow key.
With holes. Asymmetric holes of various sizes are drilled in the rod. The key, in turn, has protrusions of the corresponding shape. Options are possible when the convex parts are located on a metal rod, and the holes are on the keys.
Minus - the probability of losing the key. In this case, neither the thief nor the owner himself can remove the secrets. With a strong impact, there is a chance to break the collar.
Standard fasteners have a hexagon shape, threaded and conical clamping part. A unique characteristic of disc eccentric bolts is a floating cone with an offset center of gravity.
The run-up of the degree of displacement can reach up to 1 mm
The axial distance between the holes may vary. The standards for this PCD are varied and not always well thought out. The result is vibration while driving.
This causes the likelihood of faster failure of bearings, levers and rubber bands. For such cases, the ideal solution would be the use of eccentrics.
Thanks to the movable cone, a gap is formed between the inner and outer diameters.
When choosing, you should be guided by the brand and model of transport. This is the only way to properly secure and center the wheel. Each motorist selects the color and appearance according to their taste preferences. As for the technical characteristics, you should choose them according to the rules.
Basic selection rules:
The optimal speed is from 7 to 9. If it is less, there is a risk of losing a wheel along the way.
The number of holes on the rod and discs must match.
The threaded stroke should be from 1.5 mm.
The diameter of the threaded part should be chosen at least 12.
Bolt parameters for Renault cars in millimeters:
The distance of the ribbed platform is 24.
The segment between the ribbed stripes is 1.5.
The angle is 60 degrees.
Under 17 key.
Diameter - M12.
Mounting parameters for "Skoda" in millimeters:
The index of the ribbed lobe is 26.
Threaded stroke - 1.5.
Diameter - M14.
Turnkey dimensions 17.
To be sure of the quality, you should purchase original factory models in proven places.
There are 3 options for determining the length of the product:
Directly on the spot. They buy a product, tighten it and draw a conclusion.
Calculated from the old part. For this case, you need to calculate the number of revolutions. Next, the resulting number is divided by the length of the screw.
Focusing on the number code specified by the manufacturer.
When choosing for comparison, it is advisable to focus on an already proven option.
Short models are designed for fastening "stampings". They are distinguished by a small ribbed part and a low hat. The fact is that the “stampings” are thinner and do not have wells. Bolts for alloy wheels are longer due to the sealed attachment points to the hub.
It should be clearly understood in which cases which screws are suitable. More often than not, they are not used interchangeably. This is a security breach. If a short rod is used for forged and cast metal parts of the wheel, it will be twisted at a small number of revolutions and will not be able to withstand the load.
Long metal elements on the "stampings" will pass through. On VAZ wheels, such bolts will look normal from the front, but on the reverse side they will beat against the pads. The most unfavorable outcome can be a broken brake cylinder and a jammed wheel.
For foreign cars, as a rule, studs are used. Its length is adjusted with nuts.
Most motorists lean towards chrome wheel bolts when choosing. However, no topcoat provides guaranteed protection against corrosion. It all depends on the operating conditions and the quality of care. Molybdenum and nickel-plated screws are not inferior in performance.
The only objective advantage is the spectacular and aesthetic appearance of the chrome coating.
The service life depends on the strength class, which is recognized as a quality mark. The higher this indicator, the longer the product can be used before corrosion occurs. The existing fittings are produced at Russian, European and Chinese factories.
