SELBSTBOHRENDE TEK-SCHRAUBEN MIT DICHTSCHEIBEN VERZINKT FÜR METALLDACH
Self Drilling Tek Screws With Bonded Sealing Washer. Hexagon head with drilling point and EPDM bonded sealing washer. Zinc plated screws. Maximum drilling thickness 5mm. Screws over 50mm length are partly threaded.