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1-3/4 Inch Electro Galvanized Smooth Shank Coil Nails are specialized fasteners made of Q195 high-quality steel, optimized for architectural and woodworking applications such as asphalt roofing shingle installation and insulation board fixation. With a length of 1-3/4 inches (44.45mm), shank diameter of 0.120 inches (3.05mm), and 15° high wire collation, these nails are compatible with most mainstream 15° coil nailers, ensuring efficient, jam-free high-volume installation.
The electro galvanizing treatment forms a uniform zinc coating on the nail surface, effectively isolating the steel from moisture and chemical corrosion, thereby extending the service life of the fastener in indoor and mild outdoor environments. The full round head design provides a large bearing area to prevent pull-through, while the smooth shank reduces driving resistance, making it ideal for fixing wood, wooden components, asphalt shingles, and insulation boards in construction, furniture manufacturing, and woodworking projects. Packaged as 120 nails per coil and 60 coils per carton (7,200 nails total, 18.6kg), the product meets the demand of large-scale construction tasks.
| Nail Length (Inch/mm) | Shank Diameter (Inch/mm) | Collation Angle | Collation Type | Head Type | Shank Type | Material | Surface Finish | Packaging (Pcs/Coil * Coils/Ctn) | Carton Weight (kg) | Primary Usage |
|---|---|---|---|---|---|---|---|---|---|---|
| 1-3/4” / 44.45mm | 0.120” / 3.05mm | 15° | High Wire Collated | Full Round Head | Smooth Shank | Q195 Steel | Electro Galvanized | 120 * 60 | 18.6 | Asphalt roofing shingles, insulation boards, wood component fixation |
High-resolution images showcasing the electro galvanized finish, full round head, and coil structure:
Our Big Cap Rolling Nail series offers a full range of variants to meet diverse construction needs:
A1: Electro galvanized nails have a thin zinc coating (5-15μm) suitable for dry indoor/mild outdoor environments, with a lower cost. Hot-dip galvanized nails have a thick coating (≥85μm) with superior corrosion resistance, ideal for coastal or high-humidity outdoor roofing projects, but with a higher cost.
A2: For a standard asphalt shingle roof, the recommended dosage is about 4-6 nails per shingle. A 7,200-nail carton can cover approximately 1,200-1,800 shingles, suitable for most small to medium-sized residential roofs.
A3: Yes. The electro galvanized coating is suitable for indoor dry environments, and the 1-3/4 inch length is ideal for fixing insulation boards to wooden wall studs—maintain an 8-10 inch nail spacing for stable fixation.
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