60 PCS Stainless Steel Self Drilling Tapping Metal Screws for Iron Sheets, Furniture, Tiles (M4.2 * 25mm)

【High-Quality Material】: The self-tapping self-drilling screw is made of 410 stainless steel, which is anti-corrosion and anti-rust performance. It is much better than ordinary stainless steel, with high hardness. It is strong and durable. 【Quantity】: There are 60 self-tapping self-drilling screws in the set. Size: M4.2*25mm. 【Perfect Design】: The self-tapping self-drilling screw adopts the design of drilled tail. Drilling is not needed when conduncted on the non-metallic or soft metal. Just screw in directly to achieve the effect of connection tightening. 【Fine Workmanship】: The thread of self-tapping self-drilling screw is precise and clear. Therefore, it can maintain good bonding force under different materials. 【Widely Used】: This product can be used for furniture, machinery, container box production and maintenance, and color steel tile and iron ground fixation.