We know quality parts power innovation. For ODM and Factory partners, we tailor the socket head cap screw 12.9 to your exact needs—lengths, finishes, threading and tolerances. Grade 12.9 screws bring high tensile strength and reliable performance in tough assemblies. We offer alloy steel, stainless, and treated finishes, with clear technical datasheets. We oversee quality checks from raw material to packing, ensuring precise thread pitch and clean seating. With factory-direct pricing and scalable MOQ, you can design once and source consistently. We support short lead times, customized packaging, and detailed datasheets to speed your production lines. ODM projects welcome; we adapt to drawings, standards, and testing protocols. Company detail: {}
Socket head cap screws of grade 12.9 are designed for high‑strength assemblies where reliability matters. Quenched and tempered cores offer strong tensile performance and fatigue resistance, with precise tolerances for smooth driving. They are used in automotive, machinery, electronics, and industrial equipment. Available in various diameters and lengths, finishes include zinc plating or black oxide. Standard ISO/DIN thread profiles help global buyers source compatible components from a single supplier. To meet global procurement needs, this end‑to‑end solution covers inquiry, samples, production, QA, packaging, and logistics. Flexible lead times and scalable capacity, with thorough quality control, reduce risk for large or urgent orders. Customization spans thread size, grip length, head size, coatings, and packaging (bulk, reels, or pre‑packed kits). Documentation and compliance support traceability, material certifications, RoHS/REACH alignment, and clear delivery milestones for multinational projects.
| Size (Nominal Diameter) | Length (mm) | Thread Pitch (mm) | Head Diameter (mm) | Head Height (mm) | Material | Finish | Grade | DIN Standard | Tensile Strength (MPa) | Applications |
|---|---|---|---|---|---|---|---|---|---|---|
| M4 | 8 | 0.7 | 6.0 | 2.0 | Alloy steel | Zinc plated | 12.9 | DIN 912 | 1080 | Precision instrument assembly |
| M5x12 | 12 | 0.8 | 7.0 | 2.5 | Alloy steel | Zinc plated | 12.9 | DIN 912 | 1080 | Auto machinery mounting |
| M6x12 | 12 | 1.0 | 9.0 | 3.0 | Alloy steel | Zinc plated | 12.9 | DIN 912 | 1080 | Robotics instrumentation |
| M6x25 | 25 | 1.0 | 9.0 | 3.0 | Alloy steel | Zinc plated | 12.9 | DIN 912 | 1080 | Hydraulic systems |
| M8x16 | 16 | 1.25 | 11.0 | 3.7 | Alloy steel | Zinc plated | 12.9 | DIN 912 | 1080 | Automotive assemblies |
| M8x25 | 25 | 1.25 | 11.0 | 3.7 | Alloy steel | Zinc plated | 12.9 | DIN 912 | 1080 | Industrial machinery |
| M10x20 | 20 | 1.5 | 13.0 | 4.3 | Alloy steel | Black oxide | 12.9 | DIN 912 | 1080 | CNC equipment |
| M12x30 | 30 | 1.75 | 17.0 | 5.0 | Alloy steel | Zinc plated | 12.9 | DIN 912 | 1080 | Heavy machinery framing |