From my years in sourcing, I know what B2B purchasers expect from a fastener. As a China Manufacturer, I offer a dependable hexagon screw with washer designed for machinery, construction, and assembly lines. The washer is integrated, providing extra sealing and anti-loosening performance so your equipment stays secure under vibration. Available in stainless steel, carbon steel, or galvanized finishes, with a range of metric sizes to fit your design. I deliver tight tolerances, clean finishes, and corrosion resistance for outdoor or chemical environments. Our MOQ is flexible for OEM/ODM projects, and I can tailor head style, thread pitch, finish, and washer size to your spec. Packaged securely in cartons or trays to prevent transit damage, with QA certificates on request. Lead times are short thanks to an efficient supply chain. If you’re seeking a reliable partner, I’m here to supply the hexagon screw with washer that meets your performance and cost targets.
Now trending, the hexagon screw with washer offers stronger clamping, easier assembly, and longer life in vibration-prone environments. For buyers worldwide, faster production and fewer reworks. The integrated washer distributes load more evenly than a plain screw, reducing stress and loosening under dynamic loads. When selecting, match material and coating to your application—stainless for corrosion resistance or coated carbon steel for cost efficiency—while confirming standard dimensions for compatibility. To ensure reliable supply, request clear documentation: material composition, heat treatment, surface finish, and traceability. Certifications such as ISO 9001, RoHS, and REACH, with lab results for torque and pull-out strength, help compare options. Consider total cost of ownership: lead times, packaging, minimum orders, and scalability. In a global market with varied climates and standards, a consistently specified hexagon screw with washer can reduce downtime and maintenance costs.
| Model | Size | Length (mm) | Head Style | Material | Washer Material | Washer Inner Dia (mm) | Washer Outer Dia (mm) | Thread Pitch (mm) | Tensile Strength (MPa) | Yield Strength (MPa) | Hardness (HRC) | Finish | Standards |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WHD-001 | M4 | 12 | Hex Head | Carbon Steel (Grade 8.8) | Carbon Steel | 4.3 | 9.4 | 0.70 | 800 | 640 | 29 | Zinc Plated | ISO 4014 / DIN 931 |
| WHD-002 | M5 | 16 | Hex Head | Stainless Steel A2 | Stainless Steel A2 | 5.3 | 11.3 | 0.80 | 830 | 520 | 28 | Passivated | ISO 4017 / DIN 934 |
| WHD-003 | M6 | 20 | Hex Head | Carbon Steel | Carbon Steel | 6.4 | 13.5 | 1.00 | 700 | 450 | 30 | Zinc Nickel | ISO 4017 / DIN 933 |
| WHD-004 | M8 | 25 | Hex Head | Stainless Steel A4 | Stainless Steel A4 | 8.4 | 16.0 | 1.25 | 1100 | 860 | 36 | Self-passivating | ISO 4017 / DIN 933 |
| WHD-005 | M10 | 30 | Hex Head | Carbon Steel | Carbon Steel | 10.2 | 20.0 | 1.50 | 800 | 640 | 34 | Zinc Plated | ISO 4017 / DIN 933 |
| WHD-006 | M12 | 40 | Hex Head | Stainless Steel A2 | Stainless Steel A2 | 12.2 | 24.0 | 1.75 | 860 | 540 | 32 | Polished | ISO 4017 / DIN 933 |