From our factory in China, we deliver high quality countersunk machine screws to engineers and procurement teams worldwide. As a China-based Manufacturer, we specialise in stainless steel and alloy steel countersunk machine screws with precise countersunk heads that sit flush on panels and enclosures. We offer a range of sizes from M3 to M12, metric and imperial threads, and finishes including zinc-plated, black-oxide, and passivation for corrosion resistance. Our quality control is strict: ISO-certified processes, dimensional tolerances, tensile tests. We can do custom threading, options for pre-lubrication, and customised packaging to fit your assembly line. Quick lead times, competitive pricing, and reliable supply for OEMs, distributors, and integrators. If you search for dependable fasteners for assembly lines in China and worldwide, we’re here to partner for your production needs, with transparent quotes and responsive service.
Counter sunk machine screws are essential for flush, reliable assemblies in electronics, appliances, automotive, and industrial equipment. A market-leading supplier offers a wide range of materials (carbon steel, stainless 304/316, brass), finishes (zinc, black oxide, nickel), and tight tolerances to suit diverse designs. They provide common sizes and flat countersunk heads in multiple drives (Phillips, Torx) and can tailor length, pitch, and coating for strong performance in any climate. ISO/DIN compliance and traceable records help ensure global quality. Global buyers should seek suppliers that combine scale with rigorous QC, reliable lead times, and flexible logistics. Look for ISO 9001, in-house coating and testing, and transparent lot tracing. Dual sourcing, packaging for automation, and responsive engineering for custom geometries or coatings add value. Partnering with a proven countersunk screw supplier reduces risk, speeds time-to-market, and sustains consistent performance worldwide.
| Product Code | Material / Grade | Diameter (mm) | Length (mm) | Head Type | Drive Type | Thread Pitch (mm) | Finish | Tensile Strength (MPa) | Applications | Market Rank |
|---|---|---|---|---|---|---|---|---|---|---|
| CS-M4-0.70-304-A2 | A2 (304 Stainless Steel) | 4 | 12 | Countersunk (Flat Head) | Phillips | 0.70 | Passivated | 520 | Electronics enclosures | 1 |
| CS-M5-0.80-304-A2 | A2 (304 Stainless Steel) | 5 | 20 | Countersunk | Hex Socket | 0.80 | Passivated | 520 | Appliance housings | 2 |
| CS-M6-1.00-316-A4 | A4 (316 Stainless Steel) | 6 | 16 | Countersunk | Phillips | 1.00 | Passivated | 520 | Marine equipment | 3 |
| CS-M8-1.25-Carbon-8.8 | Carbon Steel Grade 8.8 | 8 | 25 | Countersunk | Torx | 1.25 | Zinc Plated | 800 | Automotive assemblies | 4 |
| CS-M10-1.50-Carbon-10.9 | Carbon Steel Grade 10.9 | 10 | 30 | Countersunk | Hex Socket | 1.50 | Black Oxide | 900 | Heavy machinery | 5 |
| CS-M12-1.75-316-Pass | A4 (316 Stainless Steel) | 12 | 40 | Countersunk | Torx | 1.75 | Passivated | 550 | Industrial equipment | 6 |