Material: 304 stainless steel (A2-70) with special black coated treatments, greater strength and better corrosion resistance performance than regular stainless steel or zinc plated fasteners. No scratches, No Burrs. Excellent appearance.
Nut Heigth: 0.32 inch
The nylon insert helps grip the screw thread to prevent from loosening. You could also find the matched screws with different head types in our shop.