What is the impact on the quality of the fine thread self tapping screws head?

The quality of a product is affected by many factors, but the reason for the problem is different for each different component. Usually, we can’t say that it is directly determined that it is a factor affecting the quality, even if it is a small screw. The quality of the screw head and the thread are different. So let’s take a look at the reasons that affect the quality of the fine thread self tapping screws head.

1. The head of the fine thread self tapping screws is not round. The reason is that the selection of the die of the screw die is not proper or the punching is not full enough.
2. The screws have burrs or burrs. The reason is that the die is poorly formed, mainly because the gap between the punch and the die hole is too large or the punch is too short.
3. The head of the fine thread self tapping screws is smashed. The reason is that the installation of the screw mold is poor and the adjustment is not proper.
4. The screw head is cracked and the screw head has cracks. The reason may be that the quality of the screw wire itself is problematic, so the screw wire must be inspected by the quality department before starting the test. Especially for stainless steel screw wire, it is necessary to check out that it is stainless steel 201, which is stainless steel 304. It is also possible that either a die is used or not, and the viscosity of the lubricant is invalid.

Now know what is the quality of the screw head? In fact, these good technical masters can be avoided. Custom screws please look for the Shishitong screw factory, it is trustworthy.

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