Feature(may vary by option.)

●【High Quality】: the self-drilling round head screws are made of 410 stainless steel, with excellent rust and corrosion resistance, which are strong and durable.
●【SET QUANTITY】: the set contains a total of 120 self-drilling screws in different sizes: M3.5 x 13 (20 pieces), M3.5 x 19 (20 pieces), M3.5 x 25 (20 pieces), M4.2 x 13 (20 pieces), M4.2 x 19 (20 pieces). (M4) pc), M42 x 25 (20pcs)
●【Delicate Design】The stainless steel screw adjusts to self-tapping, self-drilling Phillips design. The protruding head of the round head screw is very conducive to installation. Besides, the cutter head on the drill tail is sharp, which makes it easy to drill into iron sheet and other steel construction plates.
●【High Efficiency】The self-drilling screw can directly drill, tap and lock the building material, which can complete the whole operation at once. Therefore, it significantly saves working time and improves engineering efficiency.
●【Wide usage】The self-drilling and self-tapping screws are widely used in fixing colored tile steel, sheet metal, plastic, aluminum alloy and industrial plastic of steel structure, and also in the manufacture and maintenance of containers and steel windows. The self-drilling screws are easier for the user to assemble, so they are suitable for fixing items that need to be disassembled frequently.

[120 Rundkopf M3 | 5 und Rundkopf M4 | 2]




[120 FlacherKopf M3 | 5 und FlacherKopf M4 | 2]





Description

The self drilling & self tapping round head screws are a kind of modified screws, also known as dovetail screws. They have better serviceability than ordinary screws. The larger round head is better for fixing the attached product, so they are also easier to assemble. Besides, they can connect structures more firmly that will not loosen and can last for a long time. If you need to repair some firmer objects, self-drilling and self-tapping screws are the perfect choice.