2024 Big sale 250Pcs Self Tapping Screws 410 Stainless Steel M4.2x50mm Crossed Screw AntiRust Corrosion Resistant

1、Durable 410 stainless steel antirust anti?corrosion resistant to heat and low temperature. 2、Deep thread uniform pitch stable force and good tightening force which is reliable to use. 3、Standard crossed grooves improves work efficiency and saves time and effort. 4、Pointed head suitable for various square pipes color steel tiles and iron plates with a hardness of about HV300 degrees. 5、Total of 250pcs self?tapping screws practical and economic which can completely meet your needs.