165pcs #8 #10 Self Tapping Screws Set 410 Stainless Steel Black Hex Washer Head
Self tapping screws are made of 410 stainless steel. Black Self-drilling screws have higher density, better stability, durability, corrosion resistance and wear resistance than ordinary screws.410 stainless steel is a new type of stainless steel with magnetic properties.
VKKM 300PCS M4x25 Hex Washer Head Self-Drilling Sheet Metal Screws 410SS TEK
Metal Roofing Screws #10×1″ Painted Hex Washer Head Metal Siding/Roofing Screws
Anti corrosion coating: These roof screws are made of carbon steel, which is harder and less likely to break during operation. Zinc-plated screws surface has passed 1000 hours of salt spray testing, which makes the roofing screws more waterproof, rust proof, and corrosion-resistant, with a longer service life.
220PCS M4x38 Hex Washer Self-Drilling Sheet Metal Screws 410SS TEK
The sharp self‑drilling tip cuts through materials effortlessly, allowing for one‑step installation that eliminates the need for pre‑drilling pilot holes in many applications. Head Type: Hex washer head with self‑drilling point.
VKKM 200PCS M5x20 Hex Washer Self-Drilling Sheet Metal Screws 410SS TEK
The sharp self‑drilling tip cuts through materials effortlessly, enabling one‑step installation that eliminates the need for pre‑drilling pilot holes in many applications. Head Type: Hex washer head with self‑drilling point.