I’m your sourcing partner for precision fasteners, specializing in shoulder screws that keep machines running smoothly. From standard to custom shoulders, our selection covers a wide range of diameters, lengths, and shoulder heights in steel, stainless steel, and alloy, all engineered for tight tolerances and easy assembly. Whether you need thick-walled bodies for high-load applications or slim undersized shoulders for precise alignment, I’ve got you covered. If you’re shopping on a budget, we offer Cheap shoulder screws without sacrificing strength or reliability. Our Pricelist is transparent, with bulk discounts for OEMs and repeat orders, so you can plan procurement with confidence. I also provide material certifications, finish options, and fast delivery from stock. Let me tailor a solution to your specs, provide a competitive quote, and arrange samples for real-world testing. Your next batch of shoulder screws is a click away.
Shoulder screws, or shoulder bolts, are precision fasteners that provide accurate bore alignment and defined shoulder height. An end-to-end solution turns them into a dependable system: guidance on dimensions and materials, precision machining with tight tolerances, durable finishes, and packaging that fits your assembly. For global buyers, this means a single scalable source with consistent specs across regions and guaranteed on‑time delivery with full traceability. An integrated approach reduces risk and accelerates time to market. By aligning capacity with demand, offering flexible packaging, and managing global logistics, suppliers minimize stockouts and streamline reorders. Coupled with rigorous quality control, transparent process documentation, and certifications, this model outperforms fragmented sourcing. From prototype to mass production, you gain engineering collaboration, predictable performance, and material options that keep assemblies precise, durable, and ready for worldwide deployment.
| Dimension | Profile A | Profile B | Profile C | Profile D | Profile E |
|---|---|---|---|---|---|
| Shoulder Diameter (D) mm | 8 | 10 | 12 | 15 | 16 |
| Shoulder Length (L) mm | 25 | 30 | 40 | 50 | 45 |
| Thread Size (Major x Pitch) | M6 x 1.0 | M8 x 1.25 | M10 x 1.5 | M12 x 1.75 | M12 x 1.75 |
| Material | Stainless 304 | Alloy Steel 4140 | Stainless 316 | Aluminum 7075-T6 | Stainless 316 |
| Surface Finish | Polished | Zinc Plated | Passivated | Anodized | Black Oxide |
| Tensile Strength (MPa) | 520 | 980 | 650 | 700 | 420 |
| Shear Strength (MPa) | 360 | 820 | 480 | 520 | 300 |
| End-to-End Score (0-100) | 78 | 86 | 92 | 89 | 84 |
| Delivery Lead Time (days) | 4 | 3 | 5 | 6 | 4 |