High Quality Material Made of durable 304 stainless steel for perfect corrosion protection, high hardness and stability. These stainless steel screws can be used indoors and outdoors. Easy to store and transport With the included storage box, you can sort the metal screws neatly and conveniently. The stainless steel screw sizes are marked on the cover so you can easily find the size you want. Phillips & Notch Design Self-tapping screws have Phillips and a notch on the screw head. This allows you to better avoid side slips. Easy to install and save time. Self-tapping screws These sharp point screws can be drilled directly into soft sheet, wood or plastic without the need for pre-drilled holes. They can be easily removed with a screwdriver or drill. Mixed sizes The screw set contains 8 screws of different lengths: 6mm / 8mm / 10mm / 12mm / 16mm / 20mm / 25mm / 30 mm. 50 pieces for each size, 400 pieces in total. Ideal for your various needs. When choosing a metal screw, it is important to take into account the strengthMaterials and the typeMaterials to be assembled. If you need bigger screws, you can order M4 screws from our store. Technical specifications: Screw type: M3 screw Head shape: countersunk head Lengths: 6-30 mm Training type: Phillips PH cross recess No pre-drilling required These sharp point screws can be drilled directly into any surface without the need for pre-drilled holes. Beautifully finished wire Thanks to CNC cutting technology, the thread is very precise , clean and sharp. The deep, transparent thread can easily penetrate metal, wood and plastic. Phillips The cross head design ensures that the screwdriver does not slip, thus preventing damage to the screw. At the same time, the power transmission between the screw and the tool is optimized and the screw can be screwed in faster. Versatile application Self-tapping screws are mainly used in soft sheets, wood or plastic. These pointed screws facilitate the penetratioMaterial.