We are a Factory Direct Supplier: Professional manufacturer of concrete screws, factory direct supply without middlemen markup.
Multiple Materials & Surface Finishes: Material: Carbon Steel, SS304, SS316
Surface treatment: Yellow Zinc Plating (Hot Selling), Blue White Zinc Plating, Geomet, Plain
Various Head Types & Thread Options:Head types: Hex Flange Head, Pan Head, Countersunk Head
Threads: Single Thread, High-Low Thread. High-low thread can tap internal thread automatically for firm lock
Negotiable Price: Competitive price with flexible negotiation based on your order quantity.
Strict Quality Assurance: 100% quality guarantee. Rigorous testing ensures reliable performance and compliance with industry standards.
Sufficient Stock & Fast Lead Time: Most sizes available in stock. Lead time: 5-7 days for orders below 5,000 pcs.
The alternating high- and low-profile thread design provides a strong grip, ensuring the fastener remains secure in concrete and brick substrates and stays firmly in place for the long term.
Suitable for fastening to concrete, brick, masonry, and stone substrates; widely used in curtain wall installation, architectural decoration, and civil engineering projects.
Can be used to install guardrails, air conditioner brackets, solar panel mounts, and signage, meeting the needs of various indoor and outdoor hardware mounting projects.
Our fastener factory offers OEM services based on your requirements, drawings, or samples.