I am your reliable source for Thread-Forming Screws m4, built for high-volume assemblies and tough environments. As a High-Quality Supplier, I understand what B2B purchasers need: consistent metallurgy, precise thread-forms, and dependable supply chains. These Thread-Forming Screws m4 cut mating threads into softer materials without pre-tapping, delivering strong joints with lower torque. I offer controlled tolerances, corrosion-resistant finishes, and fast lead times to keep your production line moving. When you choose me as your Supplier, you’ll get tested stock, clear documentation, and support through every stage—from sample to full-scale production. Ready to discuss quantities, packaging, and delivery terms, I can tailor a solution to your project timeline. Focused on quality and service, you can trust these screws to perform in automotive, electronics, or furniture OEM applications.
Thread-forming screws in M4 form a new benchmark for compact assemblies, delivering efficient self-tapping action with precise thread formation. Optimized thread geometry, smoother insertion, and advanced coatings enable stronger joints with lower assembly torque. By 2025, enhanced materials and controlled heat treatment extend corrosion resistance and load performance across electronics enclosures, automotive interiors, and consumer devices, while tighter tolerances support automation on high-volume lines. Global buyers should evaluate suppliers on more than price: robust quality systems, traceable material sourcing, batch-level certifications (RoHS/REACH), and transparent production data. Consider lead times, scalable MOQs, packaging for automation, and resilient regional supply networks to mitigate disruptions. Align fastener specifications with torque-controlled assembly tools to avoid stripping and ensure repeatable performance across diverse markets.
| Variant | Length (mm) | Material | Coating | Head Type | Thread Pitch (mm) | Tensile Strength (MPa) | Yield Strength (MPa) | Hardness (HRC) | Torque Rating (Nm) | Shear Strength (N) | Friction Coefficient (mu) | Fatigue Life (cycles) | Benchmark Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M4x8 | 8 | Stainless Steel 304 | Zinc Plating | Torx T25 | 0.70 | 520 | 205 | 22 | 2.0 | 1200 | 0.12 | 50,000 | Above-average installation efficiency; reference ISO 898-1 benchmarks |
| M4x10 | 10 | Alloy Steel (1045) | Zinc Plating | Torx T25 | 0.70 | 650 | 420 | 28 | 2.8 | 1400 | 0.13 | 60,000 | High-strength variant; suitable for load-bearing assemblies |
| M4x6 | 6 | Stainless Steel 316 | None | Torx T20 | 0.70 | 640 | 300 | 16 | 1.6 | 1000 | 0.15 | 40,000 | Excellent corrosion resistance in chloride environments |
| M4x12 | 12 | Stainless Steel 304 | Passivation | Torx T25 | 0.70 | 560 | 210 | 18 | 1.9 | 1200 | 0.13 | 45,000 | Balanced strength and ductility; suitable for general-purpose use |
| M4x16 | 16 | Alloy Steel 4140 | Zinc Plating | Torx T30 | 0.70 | 760 | 520 | 28 | 3.2 | 1600 | 0.14 | 72,000 | High-strength option for structural applications with longer engagement |