Considerations of Selecting Wrench

Good quality and low price wrench has a wide range in in the use of social production, all kinds of different types of wrenches are reflected in their own advantages, recognized by consumers. Wrenches have too many brands, different brands have unique advantages, so let consumers face the choice of wrench. So how to choose cost-effective wrench?
1.Material, wrench materials are basically made of carbon steel and chrome vanadium steel, can choose high-grade chrome vanadium steel material, the quality is relatively good.
2.Tolerance range, each nut has a model, so when you need to unscrew to choose the corresponding wrench, the opening of the wrench should be appropriate to enlarge, so it can quickly unscrew the nut, which requires openings or plum mouth size accuracy.
3.Torsion and hardness, quality wrenches require a perfect combination of hardness and toughness, the life of the wrench will be more long-term.
4.Punching, the opening part of the wrench should be rounded and smooth, hole wall without burr, no knife marks, the handle should be rounded, no glitches, otherwise it will affect the user experience.
5.Thickness, the specifications of the wrench will be smaller, lighter weight, the more the user can feel comfortable, so the quality is better.