Hex Head Self Drilling Screws as Roofing Screws

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