100/50pcs Cross Flat Head Heavy-duty Countersunk Masonry Screw Rust Resistance Repair Fasteners for Fixing Brick Walls Concrete

50/100pcs Flat Head Concrete Screw Anchor Phillips Heavy Duty Countersunk Masonry Screws for Masonry Brick Cement Drywall PartsFeatures:100% brand new and of high qualityThese spiral anchors undergo RUSPERT processing technology, including three different corrosion-resistant layers for strong rust prevention; After 1000 hours of salt spray testing, it has excellent anti-corrosion and antioxidant properties.These screws are made of 1022A carbon steel, which has high hardness, roughness, and strong penetration power; Designed for use with concrete, masonry, and bricks.Size: 3/16 "x1-1/4 (blue 4.8 * 32mm)Color: blueProducts include:1x50/100pcs self tapping screws