KEELAT 100 Pcs Self Drilling Self Tapping Screws Hexagon Head Wood Drill Screws 304 Stainless Steel Dovetail Screws

【Features】✅Self-drilling screws enable drilling without first creating a pilot hole. These screws are usually used to join materials like sheet metal. It speed installation by drilling, tapping, and fastening wood and metal in a single operation;✅410 stainless steel has high strength and hardness, with light magnetic, it has weak corrosion resistance, not suitable to used in saltwater; while zinc plated has better corrosion resistance;✅Perfect for metal, wood, plastics, and other similar materials, self drilling tips avoid pre-drilling holes.🔩 【Specification】- Item: self drilling screw- Material: 410 stainless steel & zinc plated carbon steel- Sizes: 20mm 25mm 40mm 45mm 50mm 65mm 75mm 100mm- Self-Drilling Screw with Neoprene Washer- They are good for metal-to-metal fastening in light to heavy gauge material. - Self-sealing Neoprene washer is a good choice for waterproof applications.- Self-drill drive- Hex washer head screw- Hex drive- QTY: 100Pcs🔩 Self Drilling Screw Size ( Price For 100 Pcs )20mm≈3/4"25mm≈1"40mm≈1.5"=1-1/2"45mm≈1.77"=1-3/4"50mm≈2"65mm≈2.5"=2-1/2"75mm≈3"100mm≈3.9"