Śruby Eibach
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BOLTS AND NUTS

Eibach will provide bolts and nuts for car rims, which can come in many different types.
Since they are the main element attaching the wheel to our car (car hubs), they are a very important element of the correct mounting of the rim.
Below we will present a brief description of bolts and nuts for aluminum rims, while discussing the main issues related to the correct fastening of car rims.

We can divide bolts and nuts according to several basic criteria:

1) The plane of contact between the bolt head and the rim

There are 3 types

- Cone
- Ball(sphere)
- Flat washer
The head of the bolt must fit into the socket in the rim (therefore, we distinguish between bolts with conical, spherical and flat heads).
Incorrectly selected bolts prevent proper tightening of the rim (bolts may unscrew) and may damage it (aluminum rim deforms from poorly fitted bolts).
The type of appropriate bolts depends on the rim manufacturer (original, non-original) and the type of rim (steel, aluminum), so they should always be selected individually.
Nuts, like bolts, come as a so-called cone, ball or flat with a washer.

2) Type of thread

We distinguish between screws with different thread pitches and different thread diameters. In this case, a bad fit of the screw will simply prevent it from being screwed in. The type of thread depends on the car's hub, so it is always constant for a given car model. In the case of buying new screws, regardless of the rims we use, we will need screws with the same thread pitch and diameter as the screws we currently use.

Of course, in the case of nuts, they must also have the appropriate thread (pitch and diameter), adapted to the studs in the hub.

3) Screw length

Długość śruby mierzymy od stożka (ewentualnie kuli lub podkładki) do końca gwintu (nie mierzymy całej śruby). Śruby powinny być tak dobrane, by przy dokręcaniu felgi wykonały około 7 do 8 pełnych obrotów. Użycie zbyt krótkich śrub grozi wyrwaniem gwintu z piasty lub uszkodzeniem śruby, co może doprowadzić nawet do odpadnięcia koła. Zbyt długa śruba może nie dać się wkręcić do końca lub wystawać z piasty (będzie wtedy narażona na korozję skutkującą problemami z jej późniejszym wykręceniem, może również powodować złe funkcjonowanie, blokowanie elementów układu hamulcowego).

Z uwagi na swoją budowę długość nakrętki mierzymy jako całość (od początku do końca). Podobnie jak w przypadku śrub, nakrętki powinny również zapewniać solidne, pewne mocowanie felgi.

Nasze narzędzie doboru śrub do poszczególnych dystansów zapewnia optymalne rozwiązanie tej kwesti. Należy pamiętać iż długość śruby musi być większa od seryjnej o grubość dystansu.

4) Key size

The basic wrench sizes are 17, 19 and 21 inches. In the case of steel rims, the size of the wrench used does not matter much, but in aluminum rims, due to the limited space of the rim socket, too large a wrench size can make it difficult or impossible for the wrench to access the bolt. To solve this problem, non-standard “Torx” or “Allen” type screws are used. Unfortunately, when unscrewing/screwing them, they require special sockets that fit exactly into the rim socket. Therefore, they are usually used only for those aluminum rims where the use of normal screws is not possible or would cause damage to the rims.

Nuts, like bolts, can come in a variety of wrench sizes, and “Torx” or “Allen” type nuts are also encountered.

5) Type of termination (applies to nuts only)

Nuts are divided into open and closed (covered). The first of these, the so-called through or open, allow the pin to pass through to the exit, while the second are shotless, that is, covered / closed. This division, of course, does not apply to bolts because, due to their design, it is impossible.

Eibach bolts provide excellent quality, reliability and are a guarantee of proper application for spacers.

CAPS

Eibach will provide bolts and nuts for car rims, which can come in many different types.

Since they are the main element that attaches the wheel to our car (the car's hub), they are a very important part of properly fixing the rim.

Below we will give a brief overview of bolts and nuts for alloy wheels, while discussing the main issues in the proper fixing of car rims.

We can divide bolts and nuts according to several basic criteria:

1) Contact plane between bolt head and rim

There are 3 types:
- Cone
- Sphere (sphere)
- Flat washer


The head of the bolt must fit the socket in the rim (so we distinguish between conical, spherical and flat head bolts). Poorly matched bolts prevent proper tightening of the rim (the bolts may loosen) and risk damaging the rim (an aluminum rim deforms from ill-fitting bolts). The type of proper bolts depends on the manufacturer of the rims (original, non-original) and the type of rims (steel, aluminum), so they should always be selected individually.

Nuts, like bolts, come as so-called cone, ball or flat with washer.

2) Type of thread

We distinguish between screws with different thread pitch and thread diameter. In this case, a poor fit of the screw will simply prevent it from being screwed in. The type of thread depends on the hub of the car, so it is always constant for a given car model. If you buy new bolts, no matter what kind of rims you are using, you will need bolts with the same pitch and thread diameter as the bolts you are currently using.

Of course, in the case of nuts, they also need to have the correct thread (pitch and diameter), adapted to the hub pins.

3) Screw length

The length of the bolt is measured from the cone (possibly a ball or washer) to the end of the thread (do not measure the entire bolt). Screws should be selected so that they make about 7 to 8 full turns when tightening the rim. If you use bolts that are too short, you risk pulling the threads out of the hub or damaging the bolt, which can even cause the wheel to fall off. A bolt that is too long may not be able to be screwed all the way in or may protrude from the hub (it will then be subject to corrosion resulting in problems with its subsequent removal, and may also cause malfunctioning, locking brake components).

Due to its structure, we measure the length of the nut as a whole (from beginning to end). As with bolts, nuts should also provide a solid, secure hold on the rim.

Our bolt selection tool for individual spacers provides the optimal solution to this issue. Note that the bolt length must be greater than the serial length by the thickness of the spacer.

4) Key size

The basic wrench sizes are 17, 19 and 21 inches. In the case of steel rims, the size of the wrench used does not matter much, but in aluminum rims, due to the limited space of the rim socket, too large a wrench size can make it difficult or impossible for the wrench to access the bolt. To solve this problem, non-standard “Torx” or “Allen” type screws are used. Unfortunately, when unscrewing/screwing them, they require special sockets that fit exactly into the rim socket. Therefore, they are usually used only for those aluminum rims where the use of normal screws is not possible or would cause damage to the rims.

Nuts, like bolts, can come in a variety of wrench sizes, and “Torx” or “Allen” type nuts are also encountered.

5) Type of termination (applies to nuts only)

Nuts are divided into open and closed (covered). The first of these, the so-called through or open, allow the pin to pass through to the exit, while the second are shotless, that is, covered / closed. This division, of course, does not apply to bolts because, due to their design, it is impossible.

Eibach bolts provide excellent quality, reliability and are a guarantee of proper application for spacers.

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