Self-Tapping Screw Fastener Diameter, Mm: 4.2 Length, Mm: 60 Head Diameter, Mm: 8 Self-Tapping Screws For Frequent Threads Are Made Of Galvanized Steel. Self-Tapping Screws Are Phosphate-Coated, Which Makes Them Resistant To Corrosion And Ensures Adhesion With Any Paint And Varnish Materials, As Well As Putty. The Head Of The Self-Tapping Screw Is Cone-Shaped, Which Allows For Flush-Mounted Installation. This Ensures A Perfectly Flat Surface And Maximum Pressure On The Slab.
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