Hand Tools - Screwdriver Set Information Introduction

A screwdriver is a common tool used to turn screws to seat them, usually with a thin wedge-shaped head that can be inserted into the slot or notch of the screw head. Below is detailed information on screwdriver sets.

Here is the content list:

l The technical principle of the screwdriver tool

l Basic functions of screwdriver tools

l Material of screwdriver tool

The technical principle of the screwdriver tool

The screwdriver tool utilizes the working principle of leverage when used to pry paint covers. The greater the distance from the powerpoint to the pivot point the less effort is required, so a long screwdriver saves more effort than a short one.

The screwdriver tool is used to screw screws using the working principle of the axle. The larger the wheel, the less effort it saves, so a coarse-handled screwdriver saves more effort than a fine-handled screwdriver.

Basic functions of screwdriver tools

When repairing the phone, opening the case requires a screwdriver tool (some phone cases are concealed buckle type without a screwdriver). And the use of screwdriver mostly with hexagonal screws, different cell phones have different specifications, generally, T5, T6, T7, T8, and several other models are also equipped with special screws, the need to use special screwdriver tools, in addition to the need to prepare some small a word up, small plum screwdriver.

In the optional screwdriver tool, you should choose the A, B set of the batch, which includes almost all cell phones open the case tools. When opening the case, according to the type and specifications of the case on the fixed screws to choose the appropriate screwdriver. If the choice is not appropriate, it is possible to flatten the slot of the screw and produce the phenomenon of slippage.

Material of screwdriver tool

The screwdriver tool does not have a round head, because the round head has no torque at all. A word is to ensure that there is torque, while across allows for a more even distribution of power. There are manual screwdrivers and electric screwdrivers according to the power source; there are one-word and crosses according to the batch orbit.

A good-quality screwdriver head is made of spring steel with high hardness. A good screwdriver tool should be hard but not brittle, hard in tough. When the screw head opening becomes bald and slippery you can use a hammer to tap the screwdriver, the screw slot picks deeper, easy to unscrew the screw, the screwdriver should be unscathed; screwdriver is often used to pry things, it requires a certain toughness not bend or break. In general, I hope the head of the screwdriver is hardness greater than HRC60, not easy to rust.

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