self drilling screw countersunk head, metal tapping screw thread, mill-ribs, blue zinc plated 3.9x19 mm ( 2000 ST ) 19 mm
Product number: 3512100-3.9-19
metal tapping screw thread Ø 3.9 mm
drill tip at least 4.5 mm
countersunk head 90°, cross recess PH2
Ø 7.4 mm with 6 mill-ribs
roller sorted
for steel reinforcement up to 3.5 mm