Quick Details: Product name: Self Drilling Screws Brand name: xstg Model Number: Hex washer flange head drilling screws Material: SS304, SS316 Diameter: #12x1-1/4'' Head shape: Hex washer head Driver types: Hex wrench Screw thread: Self-drill thread Screw tip: Drill-sharp point Finish: Plain Features: Good anti-corrosion ability Grade: A2.A4 Certification: ISO9001 Standard: DIN,JIS,GB