window screw with countersunk head, Tx drive, galvanised blue, roller sorted 4.1x22 mm ( 2000 ST )
Product number: 6451100-4.1-22
coarse thread, Ø 4.1 mm
Tx 20 drive
gimlet point
decorative head 90 °, Ø 7.1 mm
brake ribs
screwing into metal with a pre-drilled hole Ø 3.2 mm