How to measure the straightness of stainless steel allen head cap screws?

How to measure the straightness of stainless steel allen head cap screws?: The straightness of the stainless steel allen head cap screws is the same as the surface defect, which has a great relationship with the judgment

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Can the hexagon socket countersunk head screw be designed with logo?

An email from Mr. Zeng from Jiangsu sent us an email asking us to design the  hexagon socket  countersunk head screw  logo according to his attachment requirements. After evaluating the drawings of Mr. Zeng, we found that we can do it. Because the logo part is not sinking or protruding on the drawing. I asked Mr. Zeng if the  hexagon socket countersunk head screw  logo was recessed or protruding. Mr. Zeng said that he wants to stand out. When we ordered the corresponding mold back, we started to adjust the production. After the  hexagon socket countersunk head screw  was sent to Mr. Zeng, Mr. Zeng confirmed that there was no problem in appearance and size, and then took it to the actual assembly. See how the assembly works. Two days later, Mr. Zeng said that the test had passed, and the next batch was produced according to the goods that were now given to him. And ask if we can put their logo on the package. Whether you print a logo on the...
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stainless flat head screws, surface a variety of color can do it?

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No matter who we are, we all have our favorite colors, some people like black, some people like red, some people like orange, and so on. For  stainless flat head screws , some people want to make him the color they like or make a color that matches their own products. So, can these colors be made? The surface treatment of  stainless flat head screws  is generally passivated, environmentally friendly zinc, high-temperature blackening, electrophoresis, zinc-nickel alloy and the like. There are not many colors, not the true color, or the black color. If you want to make stainless steel countersunk screws into other colors, such as purple, then you need vacuum treatment. S tainless flat head screws  can be vacuum processed to achieve different color requirements. However, in other colors, it is generally required to provide color cards for customers, because even if they are purple, there are differences in color, some deep and some shallow. Some peopl...
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What effect does washer head screws have?

Generally speaking, no matter what type of screw, they will have their own role. For example, the head with serration, is generally in order to prevent slip, screw screw part point with blue glue, is to make the screw in the assembly after more difficult to fall out, the fastening effect is better. So what does the washer head screws do? washer head screws is generally the finger with washer, rather than the screw head under the flat washer, spring washer. This screw is generally to increase the area of contact between the screw and the object, reducing friction. At the same time also save wear flat pad, spring pad time, prevent screw loose. And washer head screws can be made with pan head, cup head, big flat head is flat to make a screw with washer, and countersunk head, half countersunk head is not made with washer head screw. In addition, the diameter of meson can be large or small. For example, for the screw M6 of some customers, the diameter of meson may be made into ...
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