4.0x50/30 BLUE ZINC Chipboard screws, countersunk head, part thread TORX 20
Firma 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.
