Why My Torx Flat Head Screw Slipping Off A Screw Bit?

First, the depth is not enough, or the groove is too shallow. It is possible that the torx screw punch is not very well in the production of this torx flat head screw , there is also a reason that the torx screw is not very symmetrical, or in the process of production torx size does not meet the requirements, generally large. Or the edges and corners of the torx screws in the countersunk head are blurred, and so on. All kinds of reasons that are not standard in production lead to the phenomenon of slippage of the plum-blossom screws in the countersunk head when the depth of the thimble is not enough.

Secondly, it is possible that there are some minor problems in the production of this torx flat head screw, which will lead to a slightly oversized torx groove. After being used for a period of time, friction will result in sliding batches.

Thirdly, the hardness of the torx screw in the sinking head is on the low side. When loading and unloading many times, the torx groove is easy to deform, leading to sliding batch. If that’s the case, manufacturers can increase the hardness of torx flat head screw by replacing them with hardened heat treatments.

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