From a buyer's point of view, I know you need reliable fasteners for high-volume wood assemblies. Our screw wood selftapping delivers crisp threading, clean drive, and strong pull-out resistance for hardwoods and softwoods alike. Made from high-grade steel with coating options, these screws install quickly without pre-drilling, thanks to sharp self tapping tips. For Wholesale and Manufacturers, this means lower labor costs and consistent performance across batches. I offer varied lengths and gauges to match your project specs, plus bulk packaging and certification documents. Our process ensures tight tolerances, anti-corrosion finishes, and compatibility with standard driver bits. Whether you're outfitting carpentry shops, furniture plants, or construction teams, these screw wood selftapping reduce downtime and rework. Contact me for competitive pricing, lead times, and custom packaging. I’m here to support your supply chain with dependable fasteners, built to last under tough site conditions.
Self-tapping wood screws are engineered to form their own threads in wood, delivering peak performance through a sharp point, self-cutting threads, and robust material. For global procurement, the right combination of diameter, length, thread form, and head style must fit the wood species and service conditions. A well chosen screw reduces pre-drilling, minimizes splitting, and creates a strong, repeatable clamping force with consistent drive torque. Material and coating choices determine durability across climates: carbon steel with zinc or electroplating for indoor use; stainless steel or ceramic-coated variants for outdoor or coastal environments. Critical factors include thread pitch, flute geometry, and under-head clearance. Ensure tight tolerances, reliable coatings, and validated performance such as pull-out and shear strength. In sourcing, seek standardized specs, rigorous QC, predictable lead times, and packaging that guards against corrosion during global transit.
| Size (Dia x Len) | Material | Coating / Finish | Head Type | Drive Type | Thread Type | Pilot Hole (mm) | Tensile Strength (MPa) | Shear Strength (MPa) | Installation Time (sec) | Corrosion Resistance | Load Capacity (kg) | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 x 40 mm | Carbon Steel | Zinc-Plated | Flat Head | Phillips | Coarse | 2.0 | 520 | 260 | 6 | Medium | 8 | General purpose for softwoods |
| 4 x 50 mm | Carbon Steel | Zinc-Plated | Flat Head | Phillips | Coarse | 2.5 | 520 | 260 | 7 | Medium | 12 | Good in thicker boards |
| 5 x 40 mm | Galvanized Steel | Hot-Dip Galvanized | Flat Head | Phillips | Coarse | 2.8 | 600 | 300 | 8 | High | 15 | Extra grip in hardwood |
| 6 x 60 mm | Stainless Steel | None | Flat Head | Phillips | Coarse | 3.0 | 700 | 340 | 10 | High | 25 | Outdoor and damp environments |
| 8 x 80 mm | Carbon Steel | Zinc-Plated | Flat Head | Phillips | Coarse | 3.5 | 520 | 260 | 12 | Medium | 40 | High withdrawal resistance |
| 5 x 60 mm | Stainless Steel | None | Pan Head | Phillips | Coarse | 3.0 | 700 | 340 | 9 | High | 22 | Suitable for humid climates |