From my workshop to your factory, I offer a reliable countersunk self tapping screw engineered for fast, clean assemblies. As a China Manufacturer, I know what buyers want: consistent thread quality, tight tolerances, and prompt delivery. I can supply zinc-plated, black-oxide, or stainless variants with flush heads that sit neatly against the surface. Every batch passes strict QC checks, ensuring compatibility with common sheet metal thicknesses and plastics. Our screws cut threads in place without pre-drilling, reducing assembly steps and maintenance downtime. I offer various sizes and coatings, with customizable packaging to fit your line requirements. If you’re ordering in bulk, I can provide short lead times, competitive pricing, and reliable stock levels. I’m ready to support your production, from design input to on-time shipment. Let’s align on your specs and get your line running smoothly with a durable countersunk self tapping screw.
Across industries, a countersunk self-tapping screw that sits flush and forms its own thread can transform assemblies. The countersunk head provides a smooth, low-profile finish, while reliable self-tapping action reduces steps and tool wear. With precise tolerances and optimized thread geometry, it delivers predictable torque, strong pull-out resistance, and fast seating on metal, aluminum, and compatible plastics—ideal for automated lines and high-volume production. Exceeding benchmarks means more than raw strength. Material choice, coatings, and process control matter: premium steel, corrosion-resistant finishes, and coatings such as zinc or black oxide extend life in harsh environments. Global buyers expect quality management, traceability, and compliance with RoHS and REACH, plus stable lead times and scalable packaging. A standout countersunk self-tapping screw aligns with design intent, enabling lighter, simpler assemblies, lower total cost of ownership, and reliable supplier partnerships.
| Dimension (D x L) mm | Material | Finish | Pitch (mm) | Hardness (HRC) | Tensile Strength (MPa) | Shear Strength (kN) | Avg. Insertion Torque (N·m) | Benchmark vs Industry |
|---|---|---|---|---|---|---|---|---|
| 4.0 x 8.0 | Stainless Steel 304 | Zinc Plated | 0.8 | 42 | 520 | 5.0 | 0.28 | Exceeds |
| 4.2 x 12.0 | Stainless Steel 304 | Zinc Plated | 0.8 | 45 | 548 | 5.2 | 0.30 | Exceeds |
| 4.2 x 16.0 | Stainless Steel 316 | Black Oxide | 0.8 | 47 | 620 | 5.6 | 0.34 | Exceeds |
| 5.0 x 16.0 | Carbon Steel (Cold Rolled) | 0.9 | 38 | 480 | 4.6 | 0.29 | Meets | |
| 5.0 x 20.0 | Stainless Steel 304 | Nickel Plated | 0.9 | 39 | 510 | 4.9 | 0.32 | Exceeds |
| 6.0 x 25.0 | Stainless Steel 304 | Bright Zinc | 1.0 | 40 | 530 | 5.3 | 0.36 | Exceeds |
| 6.3 x 32.0 | Stainless Steel 316 | Black Oxide | 1.0 | 46 | 600 | 6.0 | 0.42 | Exceeds |
| 7.0 x 40.0 | Stainless Steel 316 | Zinc Plated | 1.0 | 50 | 680 | 6.2 | 0.45 | Exceeds |