Do not strike the wrench with a steel hammer, as the wrench is easily deformed or damaged under impact load. Do not use a metric wrench to tighten inch bolts and nuts, or use an inch wrench to tighten metric bolts and nuts, so as to avoid crushing the hexagon of the bolt or nut and causing slippage and injury to the user.
Select a qualified screwdriver according to the groove shape and specification of the screw. When using, it should be ensured that the working head of the screwdriver is fully engaged with the screw groove. When the Phillips and Beige screwdrivers are correctly matched with the screw slot number, two-thirds of the length of the working head should be engaged with the screw slot.
If a screwdriver with a large slot is used to screw a screw with a small slot, the meshing length is only one third, and the meshing part changes from surface contact to point contact, resulting in a large pressure. Self-tapping screws will damage the screwdriver. When using a screwdriver with a hexagonal Pegboard Hooks bulk wholesale rod, you can use a suitable wrench to clamp the opposite side of the hexagonal screw rod to add force.
Ordinary pliers (even those with rubber sleeves) must not be operated with electricity to prevent electric shock. When working at heights, do not place the pliers at will to prevent falling and hurting people. Goggles must be worn when cutting crimped wires.
At the same time, use one hand to hold the wire on the outside of the cutting edge to prevent the wire from being cut. Do not use pliers as a steel hammer. Carp pliers often adjust the jaw width will cause the pliers shaft nut to loosen, it should be tightened in time, otherwise it will affect the cutting performance.
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