50pcs Round Head Self Drilling Screw 410 Stainless Steel Fasteners For Made Of Wood M4.2x50 Feature:1. Durable 410 Stainless Steel: The self-drilling screw is made of 410 stainless steel, which is rust-resistant, has good corrosion resistance in harsh environments, and is durable2. Compact and accurate: The thread is sharp, clean and accurate, the thread is compact and strong, and not easy to deform and move during use3. Reliable tightening: the bolt section is smooth without burrs, and the threads are clear and neat without gaps, which is conducive to tightening, can be used with confidence4. Wide applications: Self-drilling screws are widely used in household and office appliances, workplace fasteners, electrical products, communication equipment, ship assembly, machinery, furniture, repair work, DIY5. Total 50 Pieces: The package contains a total of 50 pieces of round head self-drilling screws, sufficient for and use, very convenientSpecification:Item Type: Self Drilling ScrewMaterial: 410 Stainless SteelColor: SilverApplication: Home and Office Hardware, Workplace Fasteners, Electrical Products, Communication Equipment, Marine Assembly, Machinery, Furniture, Repair Work, DIYPacking List:50 x Self Drilling Screw