DIN 7991 Gr9 Hexagon socket cuontersunk head screws

DIN 7991  Hexagon socket cuontersunk head screws

1)Material:Gr9
2)Standard:DIN 7991

3)Dimensions:M3-M20
4)MOQ:100

5)Application:motor vehicle industry, corrosive environment, petrohemical industry, chemical   industry, textile printing and dyeing, seawater desalination field,surgical implants, etc

6)Features:low density, high strength, excellent corrosive resistance, rustless, etc