1/4" x 1" Concrete Screws, 100 PCS Blue Hex Washer Head Concrete Screws Anchor Kit with Drill Bit and Hex Bit Socket, for Masonry, Cement, Block, Brick or Stucco

Thread Size: 0.25" (6.3mm), Flange Diameter: 0.41" (10.4mm), Head Height: 0.18" (4.8mm), Length: 1" (25.4mm). | Specification: 100 PCS 1/4 x 1 Inch Hex Washer Head Concrete Screws, with a Drill Bit and a Hex Bit Socket. | Material: Made of high-quality carbon steel, and the surface of the screw is treated with Blue Ruspert, which has strong corrosion resistance. | Performance: The Concrete Screws are hardened to a high temperature for exceptional hardness, anti-rust property and corrosion resistance; The high-low thread design provides strong fixing ability, and the sharp tail makes drilling faster. | Application: Suitable for a various of masonry materials such as concrete, masonry, brick, block, stucco in your home and workplace yard for quick installation.