100pcs Self Drilling Stainless Steel Round Head Screw M4.2x38 Fastener For Machine Feature:1. Stronger Fastening: The self-drilling screw has a transparent thread and a smooth surface to better ensure a strong fastening.2. Reliable operation: the skull-shaped round is not easy to deform or slip during operation, it has high efficiency and accuracy.3. Wide tool: can be widely used in workplace, electrical product, communication equipment, marine assembly, etc.4. 100 Pieces in Total: Including 100 Pieces Screw in Total, and the large quantity will meet your different work needs.5. Good Material: Adopting high quality 410 stainless steel, which is corrosion-resistant and very durable for long applications. Specification: Item Type: Self Drilling Screw Material: 410 Stainless Steel Color: Silver Application: Fasteners for Home and Office Appliances, Workplace, Electrical Products, Communication Equipment, Marine Assembly, Machinery, Furniture, Repair Work, DIY. Packing List:100 x Self Drilling Screw