I help engineering teams streamline their assembly lines with a reliable hexagonal socket head screw. As a direct supplier, I offer precise tolerances, durable materials, and consistent torque performance for demanding environments. We customize orders for Custom projects and for Factories seeking stable supply, co-engineering, and flexible packaging options. From stainless steel 304/316 to alloy steel and coatings like black oxide or zinc plating, I provide options to fit your exact specs. I can tailor lengths, thread pitches, and head diameters, plus special coating finishes if needed. Factory-direct pricing, rigorous QA, and on-time delivery keep your line moving. Documentation, inspections, and quality certificates accompany each batch. Whether you need standard inventory or a full Custom program, I work with your purchasing team to ensure compatibility with your rigs and tools. Share your specs, lead times, and volume, and I’ll align everything from quote to delivery.
From concept to delivery, a hexagonal socket head screw solution should fit your engineered requirements and supply chain realities. We begin by clarifying the application, selecting materials (carbon steel, stainless steel 304/316, or alloy options), and aligning with standards such as DIN 912 and ISO tolerances. We define thread, head dimensions, hardness targets, and finishes to balance performance, corrosion resistance, and cost early in the design. Then we move into prototyping, production planning, and rigorous QA. Samples are produced for approval, heat treatment, and surface treatments (zinc plating, black oxide, passivation) are specified, with flatness, true runout, and tensile checks documented. On mass production, we implement supplier qualification, process control, and traceability with lot numbers. Finally, we package and ship with clear labeling and compliant documentation to deliver reliable, on-time procurement for global projects.
| Item | Size (mm) | Material | Grade | Length_mm | Tensile_Strength_MPa | Finish | Thread_Type | Process_Stage | Lead_Time_Days | QC_Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | M5 x 0.80 | Stainless Steel A2 | A2-70 | 12 | 700 | Satin | Metric Coarse | Manufacturing | 4 | Passed |
| 2 | M6 x 1.00 | Alloy Steel | 8.8 | 16 | 800 | Zinc Plated | Metric Coarse | Manufacturing | 5 | Passed |
| 3 | M8 x 1.25 | Alloy Steel | 10.9 | 25 | 900 | Black Oxide | Metric Coarse | Heat Treatment | 6 | Passed |
| 4 | M8 x 25 | Stainless Steel A4-80 | A4-80 | 25 | 860 | Polished | Metric Coarse | Surface Treatment | 6 | Passed |
| 5 | M10 x 1.50 | Stainless Steel A4-80 | A4-80 | 40 | 860 | Polished | Metric Fine | Surface Finishing | 7 | Passed |
| 6 | M10 x 50 | Alloy Steel | 8.8 | 50 | 800 | Zinc Plated | Metric Coarse | Manufacturing | 9 | Passed |
| 7 | M12 x 20 | Alloy Steel | 12.9 | 20 | 1040 | Black Oxide | Metric Coarse | QC | 6 | Passed |
| 8 | M6 x 30 | Stainless Steel A2 | A2-70 | 30 | 700 | Satin | Metric Coarse | Packaging | 3 | Passed |