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Screws - a type of fasteners, the main feature of which is the ability to be wrapped in a material without pre-drilling. Despite the overall simplicity of design and simple-mindedness, there are many important subtleties that should be considered when dealing with them. Let us consider the most important and most frequently practiced.
How to choose the right tip screwdriver
There are two types Phillips bits: PH - standard with 4 slots and PZ - modified with 8 slots. Recent good because they do not actually allow the nozzle to break away from the fastener during use. When selecting nozzle should also consider the size that is specified directly on the product. The bits are 1, 2 and 3 size. Properly matched bits ensures a secure grip.
How to spin a long screw into a solid material
In this case, it is recommended to make a pre-drilling and self-tapping screw grease paraffin, or at least a simple soap and water. Otherwise, a high risk to break or tear it metiz slot.
How to screw the screw into the small bar
The only way to avoid cracks Tonkov bar when screwing the screw - do pre-drilling. It's worth noting that most of the crack appears when you try to "drown" the screw and, therefore, should be a wider drill countersink.
How to work with small screws
When working with small wire products recommended to use magnetized bit. If this is not at hand, or do a bit of their own hands it is impossible, for fixing screws, you can use an ordinary masking tape, advise Novate.ru consultants.
How to unscrew the screw with torn slots
You can do this in several ways. Firstly, you can use a special attachment extractor. Secondly, it is possible to enclose the bat between softwood and soft material such as rubber. Third, you can solder the soldering iron bit with the help of tin, if nothing else it is impossible to unscrew.
As unscrew the screw head with a broken-off
To remove the screw with a damaged or completely broken off the head you want to use core drills for ceramics.
It would be desirable to adopt even more tips? Then read about 6 tricks and tricks that make life easier for any driver on the road.
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A source: https://novate.ru/blogs/261118/48554/