Products Detail

Thick washers are heavy-duty reinforced flat washers designed for high-load, high-pressure and high-rigidity structural fastening scenarios. Differing from standard ordinary washers, they feature increased effective thickness and upgraded structural rigidity, effectively dispersing local concentrated pressure during bolt tightening. These washers perfectly prevent substrate crushing, surface indentation and fastener sinking, while effectively resisting connection loosening and structural deformation caused by long-term static load, mechanical fatigue and equipment vibration. With outstanding compression resistance, structural stability and durable deformation resistance, thick washers are essential auxiliary fastening components for heavy industrial equipment and large steel structure engineering.
Our thick washers are produced via precision integral forming and fine finishing processes, with smooth burr-free surfaces, uniform thickness distribution and precise dimensional tolerances. With professional heat treatment craftsmanship, the products achieve an optimal balance of hardness and toughness, effectively avoiding bending, collapse and plastic failure under extreme heavy-load working conditions. Featuring high assembly accuracy and excellent interchangeability with standard bolt and nut sets, these washers deliver consistent, stable and long-lasting supporting fastening performance for various heavy-duty engineering systems.

Manufacturer Advantages:
As a professional fastener manufacturer focusing on heavy-duty structural fastening solutions, we supply high-quality standardized thick washers for industrial heavy-load projects. Our full-range product lineup covers Class 10 strength grade, adopts premium carbon steel and alloy steel raw materials, and covers a complete large-size range of M20–M64, fully meeting the supporting demands of medium and large-scale heavy-duty fastening projects.
We implement strict full-process quality control for all thick washers, including raw material inspection, dimensional tolerance calibration, flatness detection, thickness uniformity testing and finished product mechanical performance verification. All core indicators such as bearing capacity, surface hardness and structural toughness are strictly controlled to ensure stable batch consistency, excellent pressure resistance and long-term service reliability.
We provide professional one-stop supporting supply of bolts, nuts and matched thick washers, unifying the quality standard of the entire fastening system. This integrated supply mode eliminates assembly mismatch and performance inconsistency caused by separate procurement, greatly improving overall structural connection safety and stability, while simplifying customer procurement procedures and optimizing project cost efficiency.
Supported by reliable grade performance, complete large-size specifications, rigorous quality management and stable bulk delivery capability, our thick washers have earned wide market recognition. We maintain long-term stable and win-win cooperative relationships with global customers engaged in steel structure engineering, mechanical equipment manufacturing and infrastructure construction.

Surface Finishing:
Black Oxide, Zinc Planting, Hot-Dip Galvanizing, etc.