Wrench.How to use the wrench.The type of wrench and active wrench with safety.A wrench is a tool used for torque is used for catching adhere to tighten or loosen the screw head knot, bolts and pipe wrench, a shape size. And the different lengths. The wrench can be divided into 3 species.Adjustable wrench type mouth (Adjustable Wrenches) this type of wrench adjustable wrench mouth, big or small, the suitable work to use. Such as a wrench and a pipe wrench, or a pipe wrench, etc.Wrench type adjustable mouth (Nonadjustable Wrenches) this type of wrench mouth of the wrench is fixed size cannot be too small, or large, such as. Wrench (Open-end Wrench) box wrench (Ring or Box Wrenches) and combination wrenches (Combination Wrenches) etc.Special wrench (Special Screw Wrenches) this type of wrench is usually designed to fit the screw heads or nuts with the effect, a spot which 2 wrench first type can not. Or convenient, such as wrench box (Socket Wrench) and wrench L (Set Screw Wrenches) etc.Use a wrench with a safe can be done as follows.Choose the size of the wrench mouth and the length of the handle is appropriate for use. Should not have to handle longer than normal.The mouth of the wrench must not damage, such as wear and spread out or crack.When wearing the wrench head or a screw head with Charlotte. The mouth of the wrench to tightly fit and cover the full head nut.Grip wrench for a right-hander, the right hand to hold the wrench. The left hand to hold firm. The body must be in stable and balanced.Tightening wrench, whether it is securely fastened. Or loosen to approach towards yourself. And be ready for off while screwing wrench mouth.Choose a wrench type mouth adapted not before, such as the box wrench or wrench. If not then choose these wrench wrench adjustable mouth type, such as a wrench, instead.The use of adjustable wrench type mouth, such as a wrench or pipe wrench. To make the move next to the user's mouth.The use of mouth type adjustable wrench To adjust the wrench mouth tightly with the head first. Then exert Charlotte.The mouth and the handle of a wrench to dry without oil or grease.Tightening the nut or screw in the narrow or deep, make use of.
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