3.5x40 BLUE ZINC Panhead chipboard screw, TORX 15, full thread
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.
