8.0x397 roofing screw TOPDUO, flat head with collar TORX 40, WHITE ZINC
FirFirma Killich s.r.o. offers universal wood screws with countersunk head and TORX slot. The assortment of these screws includes zinc-coated (white, yellow) and stainless steel screws. TORX slotted screws are a TORX screwdriver.
