10-50pcs m1.4 m1.6 m2 m2.5 m3 m4 m5 m6 cross phillips ban block rolle bold with just just just juster 304 a2-70 Stainly Steel PWM DIN967 (14mm ، 50pcs m1.6)
Copper screws are mainly made of brass or purple copper.
Purple copper screws have a metallic luster, and after polishing, their surface can present a mirror like effect.
Material - Made of 304 stainless steel, it has excellent corrosion resistance and rust prevention ability, and a longer service life than similar products made of other materials.
Widely used - countersunk machine screws are commonly used in furniture, machinery industry, and other indoor and outdoor projects
Very suitable for use in narrow areas, as the screw head can be flush or below the surface of the object.