1.Take a look at the "elbow fast clamp" appearance, "toggle fast clamp" products are mostly stamping parts manufacturing, stamping parts to smooth, no burr, if the opposite, this folder Pliers can not be made. Because there is such a situation is stamping die too rough, indicating that the production plant technical strength is poor, the strength is also poor, this plant can not produce qualified products.
2.Take a look at the quality of riveting: "toggle fast clamp" products are mostly hollow rivet riveting, look at the end of the hollow rivet flanging, turning is not smooth, there is no gap; look at the hollow rivet is not flanging One end, look at it flat, light is not smooth. If the flanging of one end of the crack, not flanging the end is not smooth, not smooth, this clamp can not be. Indicating that the production plant rivets and riveting process problems, will seriously affect the life of the clamp.
3.And then pull a wrench, turn the "toggle fast clamp", the feeling of the toggle is not flexible and no obvious gap. If flexible and no obvious gap, available; the other hand, can not be used. If this "toggle fast clamp" rotation is not flexible and there is a clear gap, indicating that the production plant in the "toggle" design problems, did not get to know in the production, this product can not only use and too Terrible
4.The "toggle fast clamp" to install the "mounting seat" flat on the glass, press the "seat" by the four corners and side, to see it flat. If the press when there is Alice phenomenon, that injustice, this clamp can not be used, if forced to use, the uneven base was screw flattened, is bound to pull the toggle type of the above several toggle, the toggle a crooked , Accurate clamping and labeling of the clamping force to talk about, and seriously affect the life of the clamp.