I am a dedicated supplier of high-quality fasteners, offering the m3 socket head cap screw black for your production line. This compact fastener delivers dependable clamping in tight machines, with a black oxide finish for corrosion resistance and a clean, low-profile look. Available in standard m3 thread, with full or partial threading and multiple length options, I can ship from stock for quick turnarounds. Whether you’re shopping for {Wholesale} or working with {Manufacturers}, I know your need for consistency. I offer bulk pricing, traceable batch data, and ready-to-ship packaging in boxes or reels. You can count on flexible lead times and technical support to ensure the right size, grade, and finish. Let’s connect and I’ll tailor the order to your spec and move it quickly.
Compact yet reliable, the M3 socket head cap screw in a black finish is a staple for precision assemblies across electronics, automation, and machinery. The drive is a hex socket (Allen), designed for space-constrained interiors where a flush, secure connection matters. The black-coated surface combines a sleek look with improved corrosion resistance and reduced galling in threaded joints. Manufactured to tight tolerances, these screws maintain consistent fit and torque across batches, helping engineers avoid rework in critical assemblies. From a global procurement perspective, factory-direct excellence means shorter lead times, bulk pricing, and full supply-chain traceability. Rigid quality control includes dimensional checks, surface verification, and hardness testing to ensure reliability under vibration and thermal cycling. The product range supports common international standards (DIN/ISO) and interchangeable equivalents, enabling seamless integration with existing inventories. Buyers gain confidence in consistent performance, predictable sourcing, and the scalability needed for mass production without sacrificing quality.
| Part ID | DIN/ISO | Length (mm) | Finish | Material | Head Height (mm) | Tensile Strength (MPa) | Hardness (HRC) | Torque Rating (Nm) | Notes |
|---|---|---|---|---|---|---|---|---|---|
| SHCS-M3-04-DIN912 | DIN 912 / ISO 4762 | 4 | Black Oxide | Alloy Steel (Quenched & Tempered) | 3.05 | 980 | 46-48 | 0.18 | High-precision thread; compact assembly |
| SHCS-M3-06-DIN912 | DIN 912 / ISO 4762 | 6 | Black Oxide | Alloy Steel (Quenched & Tempered) | 3.20 | 950 | 44-48 | 0.22 | Balanced strength-to-weight; adequate for general mechanical assemblies |
| SHCS-M3-08-DIN912 | DIN 912 / ISO 4762 | 8 | Black Oxide | Alloy Steel (Quenched & Tempered) | 3.20 | 970 | 45-50 | 0.28 | Excellent surface finish; meets industry standards |
| SHCS-M3-10-DIN912 | DIN 912 / ISO 4762 | 10 | Black Oxide | Alloy Steel (Quenched & Tempered) | 3.20 | 940 | 46 | 0.32 | Uniform thread engagement; reliable in assemblies |
| SHCS-M3-12-DIN912 | DIN 912 / ISO 4762 | 12 | Black Oxide | Alloy Steel (Quenched & Tempered) | 3.25 | 930 | 44-46 | 0.34 | High torque tolerance; consistent performance |
| SHCS-M3-16-DIN912 | DIN 912 / ISO 4762 | 16 | Black Oxide | Alloy Steel (Quenched & Tempered) | 3.30 | 920 | 43-46 | 0.40 | Suitable for remote-load scenarios; reliability-focused |
| SHCS-M3-20-DIN912 | DIN 912 / ISO 4762 | 20 | Black Oxide | Alloy Steel (Quenched & Tempered) | 3.40 | 900 | 42-45 | 0.44 | Long-reach option for deeper assemblies |