Self-tapping screw SMM 4.2x19 drill tip reinforced (TWN) (pack) (box 75pcs) Tech-Krep PRO/Zitar 146538

PROFFIX reinforced screw has a hemispherical head with a countersunk washer and a PH2 cross recess, full thread with a fine pitch and a drill point. Made of high-strength carbon steel with an anti-corrosion zinc coating. Used for fastening metal elements with a thickness not exceeding 2 mm to each other and to a load-bearing surface without pre-drilling. It is permissible to use with plastic dowels for installation in brick and concrete structures.