ddckj 68Pcs M5.5 x 57mm Concrete Screws Blue Hex Flange Head Masonry Screws for Brick Wall Cement Block Installation Masonry with Drill Bit and Hex Bit Socket

• Package contents: ddckj provides 68pcs blue carbon steel hex-head flat-head brick screws self drilling M5.5 x 57mm, accompanied by a 4mm heavy-duty drill bit - 1pcs, 1/4-inch hex socket - 1pcs. With ample concrete fixings included, no additional tools are required. Convenient for storage and transport, masonry bolts effortlessly meets everyday DIY, home improvement, and minor construction needs.
• Premium Materials: Cement board screws are crafted from high-grade carbon steel, finished with a rust-resistant epoxy blue coating and subjected to high-temperature quenching treatment. This process imparts exceptional strength and hardness, delivering outstanding wear resistance and durability. Wall bite screws accelerated drilling speeds alongside superior rust and corrosion resistance, enabling sustained performance under heavy loads. Suitable for both indoor and outdoor applications
• Tapered diamond-tipped design with hexagonal flange head: ddckj self tapping masonry screws feature a unique tapered diamond tip, eliminating the need for pre-tapping. They can be driven directly into hard substrates such as concrete and brick, offering effortless and efficient operation. Self tapping concrete screws single-piece head design ensures precise alignment without slippage, enabling smooth force application and significantly enhancing drilling efficiency.
• High-low thread: Masonry screws featuring a variable-pitch thread design, the high-profile threads enable rapid cutting through masonry materials, while the low-profile threads increase contact area and enhance gripping force. This ensures secure fastening with minimal risk of loosening or detachment, facilitating stable yet removable installation.
• Wide-ranging applications: Brick plugs and screws is suitable for the vast majority of masonry substrates including concrete, brick, cement, plaster, mortar, and cinder blocks. Hex head screws is compatible with ACQ-treated timber and is ideal for securing indoor wall-mounted shelves, storage racks, and wall cabinets. outdoor garden structures, courtyard fencing, concrete slab installation, and reinforcing plywood over old fireplace concrete areas or uneven wall/floor panels.

Dimensions: M5.5 x 57 Quantity: 68 Colour: Blue Material: Carbon steel Packaging contents and specifications: Includes one box of screws comprising: Blue carbon steel hex flat-head concrete screws M5.5x57 - 68pcs, 4mm heavy-duty drill bit - 1pcs, 1/4" hex socket - 1pcs Whether for domestic DIY, small-scale construction projects, or outdoor garden renovations, these blue carbon steel hex-head cement screws provide a stable and reliable solution for your fastening needs. Crafted from premium materials, they combine professional design with universal compatibility, effortlessly eliminating installation hassles and the risk of loosening. Crafted from premium materials for enduring durability, its professional engineering ensures efficient installation. Compatible across diverse applications, each fastening point delivers secure reliability, safeguarding your projects. Important Notes: 1. Manual measurements may result in slight dimensional variations. 2. Actual product colours may differ slightly from images due to monitor colour settings. Please refer to the physical item. Thank you for your understanding. Product Features: Precisely engineered concrete fasteners with perfectly formed threads deliver exceptional holding strength. Ensures secure, reliable performance during operation, eliminating loosening issues.