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source:Industry News release time:2022-07-21 Article author:yu Popular:Air band saw

The dual-purpose wrench has a wide range of uses and is suitable for petroleum, chemical, metallurgy, power generation, oil refining, shipbuilding, auto repair, manufacturing and other industries.
Size and material of the dual-purpose wrench
The openings at both ends of the dual-purpose wrench and the size of the torx hole are fixed, so a dual-purpose wrench can only tighten or remove a certain nut or bolt of a fixed size. Therefore, the general dual-purpose wrench needs to be purchased in sets, with sizes ranging from 3.5mm-80mm, of which the most commonly used size is 6-32mm.
Dual-purpose wrenches are divided into two types: metric and inch. In China, they are generally metric, and most of them are inch abroad.
The dual-purpose wrench is generally made of 45# medium carbon steel or 40Cr alloy steel. Features.
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