What are the steps to use combination spanners?

Combination spanner is a commonly used assembly and disassembly tool, which is a hand tool that uses the principle of leverage to rotate bolts, screws, nuts and other thread tensioning bolts or nuts. Wrenches are usually made of carbon or alloy structural steel.

• What are the steps to use combination spanners?

• What are the advantages of combination spanners?

• What are the specifications of the combination spanner?

What are the steps to use combination spanners?

When using the combination spanner, first place the jaw wrench on the two opposite sides of the hexagon of the screw or nut and make sure that the key and screw are fully engaged before applying force. When applying force, press the connection between the fork wrench and the screw with one hand and make sure that after the wrench and screw completely fit together, the thumb of the other hand presses on the key head and the other four fingers Hold the wrench handle and pull the wrench aside. When the screws and nuts are pulled to the end position, remove the key and repeat the previous procedure. When adjusting the screws in maintenance operation, in order to prevent the relative rotation of the parts, it is necessary to use two jaw wrenches to cooperate and tighten, a wrench to fix one end of the screw and the other wrench to do so Tighten or remove the other end of the screw.

What are the advantages of combination spanners?

1. A combination spanner can be used for 2-6 types of screws, while a double jaw wrench can only be used for 2 types of screws. A socket wrench corresponds to 2-3 fixed wrenches, corresponds to an adjustable wrench, but can work quickly without adjusting the opening.

2. The combination spanner has a long service life and does not break, and the front quick key is fragile.

3. The manufacturing process is simple and its cost is low.

4. Light weight, easy to transport, labor-saving work.

What are the specifications of the combination spanner?

1. Common socket wrench specifications ---- corresponding thread specifications:

7, 8, 10, 14, 17, 19, 22, 24, 27, 30, 32, 36, 41, 46, 55, 65; corresponding thread specifications are M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M36, M42.

2. Manual wrench, mainly divided into single wrench, double wrench, adjustable wrench, plum wrench, multi-purpose wrench, impact wrench, socket wrench, torque wrench, cross wrench, ratchet wrench, hook wrench, hexagon wrench, inner square wrench.

3. Torque wrenches are divided into signal wrenches, pointer wrenches and digital display wrenches.

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