Amphibious wrench
Description: one end is the same as single head spanner, the other end is the same as plum spanner, both ends are suitable for bolts, screws and nuts of the same specifications. Dual-use wrench is a necessary tool for equipment installation, equipment and equipment maintenance and maintenance in various industries.
The use of a dual purpose wrench
Dual-use wrench is widely used in petroleum, chemical, metallurgy, power generation, oil refining, shipbuilding, auto repair, manufacturing and other industries, is the equipment installation, equipment and equipment overhaul, maintenance work in the necessary tools.

Size and material of dual purpose wrench

The size of the opening and the plum hole at both ends of the dual-use wrench is fixed, so a dual-use wrench can only fasten or remove a fixed size nut or bolt. Therefore, the general dual-use wrench needs to be bought in sets, size specifications from 3.5mm-80mm, among which the most commonly used size is 6-32mm.Dual-use spanner is divided into metric system and British system two kinds, in China, are generally metric system, most of the foreign is British system.Dual-purpose spanner is generally made of 45 medium carbon steel or 40Cr alloy steel as a whole forging process, with reasonable design, stable structure, high material density, strong resistance to impact, not folding, continuous, not bending, high dimensional accuracy, durable and so on.

Dual-use spanner generally has the following precautions when using:
1, should be according to the size of the bolt or nut to choose appropriate dual-use wrench, choose too large wrench, easy to slip, damage the nut or bolt.
2. When in use, the pliers of the dual-use wrench and the two opposite edges of the bolts and nuts should be completely and completely closed. There should be no gap to prevent slipping, so as not to damage the pipe fittings or bolts and cause injuries.
3, should not set the use of force tube, do not use the wrench as a hammer, hammer, crowbar, etc.
4, wrench force direction within one meter is not allowed to stand.
5. Keep the moving part clean and scrub after use.
6. When using spanner, it is strictly prohibited to operate with power on.
7. Wipe the wrench with oil and place it in the original storage place.