We offer Hex Coupling Nuts designed for reliable joins in OEM assemblies and in demanding production lines. We're here to support OEMs and Suppliers with a steady, scalable supply of standard and customized sizes. Our range covers carbon steel, stainless steel, and high-strength alloys, all with tight thread tolerances, precision drilling, and heat treatments to endure vibration and load. We provide anti-corrosion coatings and marking options for traceability. You’ll appreciate quick lead times, flexible MOQs, and support for drawings and spec sheets. Our quality control ensures torque reliability and secure locking in critical joints, reducing downtime and rework. Documentation includes material certs, dimensional reports, and RoHS/REACH compliance. Whether you're upgrading equipment or designing new lines, Hex Coupling Nuts from us align with OEM requirements and meet the standards our Suppliers demand.
For global buyers, a hex coupling nuts supplier trusted by pros means more than price. These fasteners must join shafts with precision, resist vibration, and stay secure in demanding environments. A reliable source offers a full range of sizes, finishes, and material options, from hardened steel to corrosion-resistant stainless steel, with protective plating such as zinc or nickel. Quality begins with controlled manufacturing, tight tolerances, and traceable batch data, delivering consistent performance across production runs and field service. Seek a partner who provides clear material specs, tolerance data, testing certificates, and transparent pricing. Flexible logistics, scalable stock programs, and short lead times help meet project schedules. Helpful services include sample programs, customization, packaging choices, and dependable warranty or replacement policies. With the right supplier, buyers gain supply chain resilience, predictable costs, and ongoing technical support for design optimization and smooth installation across industries worldwide.
| Product Code | Material | Finish | Thread Size | Across Flats (mm) | Length (mm) | Tensile (MPa) | Coating | Lead Time (days) | Origin |
|---|---|---|---|---|---|---|---|---|---|
| PCN-304-ZN-M6-18 | Stainless Steel 304 (A2) | Zinc Plated | M6 x 1.0 | 14 | 18 | 520 | Zinc Plating | 4 | China |
| PCN-304-ZN-M8-22 | Stainless Steel 304 (A2) | Zinc Plated | M8 x 1.25 | 17 | 22 | 540 | Zinc Plating | 5 | USA |
| PCN-316-NK-M8-22 | Stainless Steel 316 (A4) | Nickel Plating | M8 x 1.25 | 17 | 22 | 600 | Nickel Plating | 6 | Germany |
| PCN-AL-BX-M10-28 | Alloy Steel AISI 4140 | Black Oxide | M10 x 1.5 | 19 | 28 | 850 | Black Oxide | 7 | China |
| PCN-SS-ZN-M12-30 | Carbon Steel Grade 8.8 | Zinc Plating | M12 x 1.75 | 19 | 30 | 700 | Zinc Plating | 6 | Taiwan |
| PCN-SS-PASS-M6-12 | Stainless Steel 304 | Passivation | M6 x 1.0 | 14 | 12 | 520 | Passivation | 3 | China |
| PCN-SS-NI-M14-26 | Stainless Steel 304 | Nickel Plating | M14 x 1.5 | 22 | 26 | 560 | Nickel Plating | 5 | USA |
| PCN-AL-ZN-M16-40 | Alloy Steel 4140 | Zinc Plating | M16 x 2.0 | 24 | 40 | 900 | Zinc Plating | 9 | Germany |