Working with various collapsible joints requires the use of special tools. And at home, and in the garage, and in other places you can not do without a set of ring keys. It is very important to understand what they are and how to choose the right products.
There are many varieties of wrenches that are widely used in practice. The basic requirements for each product are the reliability of operation and the ability to unscrew the fasteners anywhere, even if it is difficult to access.
From the carob cap mechanisms are distinguished by a closed O-shaped contour of the head. A similar tool allows you to grasp the nut over the entire diameter.
As a result, along with an increase in the applied force, its uniform distribution occurs. Therefore, damage to the hardware is completely excluded. There are models in which instead of one capture 2 are installed. It is customary to divide the spanner keys into three main groups:
- flat (in which the working segment and the handle occupy a common axis);
- bent (with a deviation of the working segment from the axis by 15 degrees);
- curved (with a bend of various sizes).
Inexperienced auto mechanics or amateur repairmen should thoroughly understand this topic. An error can lead to the fact that the money given for 12 pcs. keys will turn out to be "wasted."
Getting acquainted with the size, it is necessary to clarify whether it is indicated by the metric or the Anglo-Saxon standard. In most cases, it is worth choosing millimeter sets.
As for the number of copies in the set, 6 keys are enough for non-professionals for episodic work.
Specialists are much better suited for sets of 15 or more tools. But usually they themselves can pick up what they need. Of the materials, structural steel with the inclusion of chromium, molybdenum, and also vanadium is considered the best solution .
Before you give preference to the products of a particular manufacturer, you need to pay attention to independent reviews. Of course, Ombra, Arsenal, Makita deserve attention .
It makes sense to buy Chinese products only as a consumable. For any lengthy work, they will not work.
Important: packaging cannot be ignored. The experience of most people shows that the best sets of keys are packed in steel boxes.
Cloth or plastic products are cheaper, but they are less practical.
Very good performance have sets of ring wrenches with a ratchet from the company "Case Technology". One of these kits includes 7-24 mm tools. The kit includes 14 pieces. Judging by the reviews, during the year of active use, the products do not lose their positive qualities. The described set is quite sufficient for everyday work with the car.
The products of the “Case of Technique” compares favorably with the old designs made in the 1980s. It is performed according to a combined scheme, when one side is cape and the other is of the carob format. A ratchet is mounted on the cap face, thanks to which dismantling and assembly are simplified as much as possible. The keys do not even bend during very hard work, including the "key and elongated pipe" method.
Another set contains 9 keys with sizes of 8-22 mm. All of them are also made according to the combined scheme. The fracture resistance is increased due to the use of reinforced profiles. They make sponges of increased thickness. Fixing the keys on the nuts is as tight as possible, which eliminates almost completely the breakdown.
Choosing sets of 6-32 mm, it is appropriate to pay attention to the airline Torx spanner wrenches. For their manufacture, first-class steel made of chromium and vanadium is used. Its long-term operation is provided by hot forging technology. The final stage of processing is the deposition of a chrome coating. In addition to increasing wear resistance, this coating helps reduce pollution.
Most often, key sets have a range of sizes of 8-32 mm. For more serious work, you already need adjustable and pipe tools, for smaller ones - special execution wrenches.
It is useful to pay attention to the King Tony 1712MR kit. The twelve tools included in the kit are placed in soft packaging, which is convenient to hang on a workbench or on the wall. The total weight of the kit is 3.75 kg.
As for the sets of 10-27 mm, then everything is very difficult: it is almost impossible to pick up such ones. A good substitute is NORGAU N2-011 (out of 11 tools) . The kit is delivered in foam plastic lodges. The size of the keys ranges from 6 to 32 mm.
The presence of "excessively small" devices cannot be considered a minus, because in everyday life it is very often necessary to work with them. In most cases, the keys include keys of standard size. To purchase elongated devices, most likely, will have to be done separately. It is advisable to select them in the same way by material and brand as whole sets.
In the next video you will find a detailed review of the set of ring keys from the company "Case of Technology".