Pan phillips head self-tapping screw with SUS 304

Pan phillips head contrete self tapping screw with SUS304 is used for non-metallic or soft metal without bottom hole and tapping; Self tapping screws are pointed, so as to "self tapping"; Ordinary screws are flat headed with the same thickness Self tapping screw means that the drilled hole is a hole without tapping. The screw used is different from the general one. The head is sharp and the tooth spacing is relatively large. It is a bit similar to chip free wire tapping. It can be screwed in directly without tapping. This method is usually used for metal and plastic. It can "tap drill, squeeze and press" the consolidated body out of the corresponding threads on the consolidated material by its own threads, so as to make them closely cooperate with each other. Product Description Product Pan phillips head contrete self tapping screw with SUS304…

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