How To Choose The Right Drilling Point Type of TEK Screw? Self Drilling Screw through the point of the screw to be drilled (steel plate, aluminum plate, etc.) for cutting, and then directly tapping with threads, and then locking. The most critical step in this seemingly simple fastening process is the initial tapping and cutting process. Whether the TEK scSelf Drilling Screw through the point of the screw to be drilled (steel plate, aluminum plate, etc.) for cutting, and then directly tapping with threads, and then locking. The most critical step in this seemingly simple fastening process is the initial tapping and cutting process. Whether the TEK screw can penetrate the plate and whether the drilling is rapid, these are related to the drilling point of the TEK screw.
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