window screw with countersunk head, TX20-drive, blue zinc plated, roller sorted 4.1x30 mm ( 2000 ST )
Product number: 6451100-4.1-30
coarse thread, Ø 4.1 mm
TX20-drive
gimlet point
flat oval head 90°, Ø 7.1 mm
brake ribs
screwing into metal with a pre-drilled hole of Ø 3.2 mm