High-Strength Galvanized Torx Cement Concrete Anchor Self-Tapping Bolts
1.Products Details:
The screws are specialized fasteners engineered for secure and efficient installation in hard, dense materials such as concrete, brick, stone, masonry, and plaster. Designed to address the challenges of fastening in rigid surfaces, these nails combine robust construction with a functional design, making them indispensable in construction, home improvement, industrial projects, and DIY applications.
2.Key Features:
The cross recess (a "+" shaped groove) on the nail head is specifically engineered to fit standard Phillips or cross-head screwdrivers/drill bits. This design ensures a tight, non-slip connection between the tool and the nail during installation, minimizing wobbling or slipping. As a result, users can drive the nail straight into hard materials with greater accuracy, reducing the risk of bending or damaging the nail or the surface.
Unlike traditional smooth-headed cement nails, which often require manual hammering (a labor-intensive and imprecise process), cross recess cement nails are ideal for use with power drills or impact drivers. This compatibility significantly speeds up installation, especially when working on large projects or hard surfaces where manual hammering would be inefficient or physically demanding.
The cross recess design allows for more controlled force application. When using a power tool, the steady torque and alignment prevent excessive force from being applied unevenly, which can crack or chip brittle materials like concrete or brick. This makes them safer for delicate or precision-focused applications, such as installing fixtures on walls.
Cement nails are typically made from high-carbon steel, which is hardened to withstand the pressure of penetrating hard surfaces. The cross recess design does not compromise the nail’s structural integrity; instead, it ensures the nail is driven fully and securely into the material, providing strong holding power. This makes them reliable for securing heavy objects like shelves, brackets, or electrical boxes.
While primarily used for concrete, brick, or stone, cross recess cement nails can also be used on other hard surfaces like plaster or masonry. Their compatibility with both manual tools (for small jobs) and power tools (for large-scale projects) adds to their versatility, making them a go-to choice for DIY enthusiasts, contractors, and industrial workers alike.
3.Technical Parameters
| Specification | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 |
| Length | ×52 | ×72 | ×82 | ×92 | ×102 | ×112 | ×132 | ×152 | ×182 | ×202 | ×212 |
| D | 7.0~7.6 | 7.0~7.6 | 7.0~7.6 | 7.0~7.6 | 7.0~7.6 | 7.0~7.6 | 7.0~7.6 | 7.0~7.6 | 7.0~7.6 | 7.0~7.6 | 7.0~7.6 |
| P | ±1.5 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 |
| D1 | 6.3-6.7 | 6.3-6.7 | 6.3-6.7 | 6.3-6.7 | 6.3-6.7 | 6.3-6.7 | 6.3-6.7 | 6.3-6.7 | 6.3-6.7 | 6.3-6.7 | 6.3-6.7 |
| A | 10.4-11.5 | 10.4-11.5 | 10.4-11.5 | 10.4-11.5 | 10.4-11.5 | 10.4-11.5 | 10.4-11.5 | 10.4-11.5 | 10.4-11.5 | 10.4-11.5 | 10.4-11.5 |
| k | 2.5-3.4 | 2.5-3.4 | 2.5-3.4 | 2.5-3.4 | 2.5-3.4 | 2.5-3.4 | 2.5-3.4 | 2.5-3.4 | 2.5-3.4 | 2.5-3.4 | 2.5-3.4 |
| L | ±3 | 52 | 72 | 82 | 92 | 102 | 112 | 132 | 152 | 182 | 202 | 212 |
| L1 | 30-35 | 30-35 | 30-35 | 30-35 | 30-35 | 30-35 | 30-35 | 30-35 | 30-35 | 30-35 | 30-35 |
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M7.5 Torx Head Concrete Anchor Bolt Stainless Steel DIN GB ISO Images
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