With deep knowledge in the market, we are indulged in providing large quantity of Self Tapping Screws Sill Covers made with high technology and premium quality. Though, it is chromed platted with steel alloy and has tiny round head shape which is deeper from the surface area.Self Tapping Screws Sill Covers is used to spin its own hole to soften the material and to installed a metal sheet in wood, plastic and fastened a metal together with its sharp cutting edges.