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• Metal tapping screw thread Ø 3.5 mm
• PVC thread Ø 4.2 mm
• Self drilling tip, flat oval head Ø 7.1 mm with brakeribs
• Cross recess PH2, roller sorted
• Surface: blue zinc plated, min. 5 my or Top Silver 800
• No pre-drilling required, high extraction and torque force values
This self-drilling screw can be used in PVC and PVC / steel
1 - In PVC window screw thread Ø 4.2 mm
in steel tapping screw thread Ø 3.5 mm
2 - In PVC only window screw thread Ø 4.2 mm
3 - Security lock plates
1 - In PVC window screw thread Ø 4.2 mm
in steel tapping screw thread Ø 3.5 mm
2 - In PVC only window screw thread Ø 4.2 mm
3 - Security lock plates