Window screw with countersunk head, TX20-drive, blue zinc plated, roller sorted 4.1x25 mm ( 1000 ST )
Product number: 6451100-4.1-25
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