Industrial-grade fastening solutions designed for maximum efficiency. Eliminate pre-drilling with our high-performance, heat-treated carbon steel fasteners for heavy-duty metal construction.
Defining the gold standard in self-piercing metal fastening technology.
◆ As a leader in the metal fasteners sector, our self drilling taps represent the pinnacle of Cold-Forged Precision. By integrating a drilling point and a threading body into a single component, we eliminate the need for pre-drilled pilot holes, significantly reducing assembly time and labor costs.
◆ Our self drilling taps utilize Advanced Heat Treatment and high-grade carbon steel to ensure superior penetration power and shear strength. This technical edge allows for a Seamless Metal-to-Metal Bond across various thicknesses of structural steel and aluminum.
Three fundamental engineering advantages that ensure unrivaled performance.
Optimized drill point geometry for effortless piercing of thick metal sheets.
Superior mechanical properties ensuring stability under high torque loads.
Advanced surface treatments for endurance in hostile outdoor environments.
Quantitative analysis of material distribution and mechanical performance.
Comprehensive technical data for self drilling taps across standard sizes.
| Product Model | Diameter (mm) | Length (mm) | Drilling Capacity | Material Grade | Coating |
|---|---|---|---|---|---|
| SDT-3.5-19 | 3.5mm | 19mm | 2.0mm | C1022 | Zn-Plated |
| SDT-4.2-25 | 4.2mm | 25mm | 3.0mm | C1022 | Zn-Plated |
| SDT-4.8-32 | 4.8mm | 32mm | 4.0mm | Grade 8.8 | Zinc-Flake |
| SDT-5.5-38 | 5.5mm | 38mm | 5.0mm | Grade 8.8 | Zinc-Flake |
| SDT-6.3-45 | 6.3mm | 45mm | 6.0mm | Grade 10.9 | Geomet® |
| SDT-3.5-12 | 3.5mm | 12mm | 1.5mm | C1022 | Chrome |
| SDT-4.2-16 | 4.2mm | 16mm | 2.5mm | C1022 | Zn-Plated |
| SDT-4.8-25 | 4.8mm | 25mm | 3.5mm | Grade 8.8 | Zn-Plated |
Proven performance across diverse industries.
Implemented high-corrosion resistant self drilling taps for rapid panel mounting on aluminum rails, reducing installation time per unit by 40%.
Deployed heavy-duty self drilling taps for ductwork securing in steel-frame buildings, ensuring vibration-proof joints and rapid site assembly.
Utilized high-grade self drilling taps for cladding attachment to primary steel beams, achieving a wind-resistant seal and extreme durability.
Integrated precision self drilling taps for non-structural interior panels, enhancing assembly line speed while maintaining stringent torque specs.
Tailored solutions for demanding environments.
Fastening heavy-duty racking systems where maximum load capacity and vibration resistance are critical.
Efficient assembly of server racks and control panels using precise, non-conductive coated fasteners.
Securing metal casings for automotive sensors and electronic modules with extreme precision.
Joining galvanized steel sheets for grain storage tanks with leak-proof, high-tension fasteners.
Quick assembly of office desks and industrial shelving with clean-finish, high-torque screws.
Securing outdoor advertising boards to metal pillars with weather-resistant, anti-corrosive taps.
Strict chemical analysis of raw steel batches to ensure carbon levels match structural requirements for hardness and ductility.
Automated laser measurement systems ensure thread pitch and diameter are within micron-level tolerances.
Every batch undergoes ASTM B117 salt spray tests to certify corrosion resistance thresholds for marine and industrial use.
Certified by global industrial standards to ensure seamless integration into any structural project worldwide.
Expert answers to common technical and commercial inquiries.
Depending on the model, our self drilling taps can penetrate materials from 1.5mm up to 6.0mm of structural steel, depending on the drill point geometry.
We utilize advanced Zinc-Flake and Geomet® coatings that provide an electrochemical barrier, preventing oxidation even in high-salinity environments.
Yes, our taps are specifically designed for multi-metal applications, including aluminum alloys, provided the thickness matches the product specification.
Standard samples are shipped within 7 days. Mass production lead times vary by volume but typically range from 15 to 30 days.
Absolutely. Every shipment is accompanied by a Mill Test Report (MTR) and a Certificate of Conformity (CoC).
We recommend selecting the tap based on the combined thickness of the materials being joined. Consult our technical matrix or contact our engineers for guidance.
Secure your projects with the world's most reliable self drilling taps. Precision, power, and protection in every thread.