Self-tapping screws, 210 pieces self-drilling screws with cylindrical head, stainless steel screws, self-drilling self-tapping screw kit M4.2 50mm / 38mm / 30mm / 25mm / 19mm / 13mm

【High Quality】 Made of durable 410 stainless steel for excellent corrosion protection, high hardness, and stability. These stainless steel screws can be used indoors and outdoors. Suitable for metal, wood, plastic, and other similar materials.

【Self-Drilling Tip】 These self-drilling tips can be driven directly into any metal surface without the need for pre-drilled holes. They can be easily removed with a screwdriver or drill.

【Phillips & Notch Design】 The self-tapping screws have a Phillips head and a notch on the screw head. This helps prevent them from slipping sideways. Easy to install and saves time.

【Convenient Storage and Sorting】 With the included storage box, you can sort the metal screws neatly and conveniently. The sizes of the stainless steel screws are indicated on the lid so you can easily find the size you need. [6 Mixed Sizes] This set of assorted self-drilling screws includes 6 sizes: 20 pieces M4.2 * 50mm / 20 pieces M4.2 * 38mm / 20 pieces M4.2 * 30mm / 40 pieces M4.2 * 25mm / 50 pieces M4.2 * 19mm / 50 pieces M4.2 * 13mm; 210 pieces in total, ideal for your various needs. When choosing a metal screw, it is important to consider the strength of the material and the type of materials to be joined.