Home DIYer 30Pcs M6.5 x 83mm Blue Hex Flange Head Concrete Screws, Masonry Anchor Screws with Drill Bit, Carbon Steel Diamond Point High-Low Thread for Brick Block Cement DIY Construction

• High-Strength Carbon Steel & Blue Coating:Made of premium carbon steel with blue anti-rust coating, great corrosion resistance for indoor and outdoor long-term construction use.
• Comes With Matching Drill Bit:Each pack includes a professional matched drill bit, no need to buy extra tools. Ready for immediate installation, perfect for DIY and tradesmen.
• Diamond Point & High-Low Thread:Sharp diamond tip penetrates concrete quickly; high-low thread design delivers superior holding power, not easy to loosen or pull out.
• Hex Flange Head Design:Hex flange head provides large bearing surface, firm locking without extra washers, stable and vibration- resistant after installation.
• Wide Application Scenarios:Ideal for concrete, brick, block, cement wall, stucco and masonry projects. Great for home renovation,mounting fixtures and general construction repair.

Home DIYer blue hex flange head concrete screws are manufactured from high-strength carbon steel with blue protective coating for excellent rust and corrosion resistance. Featured with diamond sharp point and high-low thread, these masonry anchor screws bite firmly into concrete, brick and block walls with strong holding force. This set comes with a matched drill bit, allowing you to start installation directly without purchasing additional accessories. The hex flange head ensures stable bearing and tight fastening, suitable for home DIY renovation, fixture mounting and professional construction masonry work.