Extreme Environments, Marine, Roofing Drains and other applications under the head of a bolt or a nut to distribute the load over a large area when tightening bolt.

For Use With Screws and Bolts.

Pls provide us the material ,OD ,ID ,thickness ,qty so that we will quote for you 

Cangzhou Ruichi Hardware Manufacturing Co., Ltd was founded in 2009, We focus on designing, researching ,developing, manufacturing and selling stamping metal parts, including HVAC products, Furniture part, Auto part, Construction parts and other industries. With our rich experience and considerate services, we have been recognized as a reliable supplier for many international buyers.
Our experienced engineers are adept at using CNC machine, enabling us to meet your customized requirements so that to work on your OEM/ODM service. we could meet with any of your bulk orders requirments. Our products sell well in domestic and international markets,such as America,Europe, Middle East,South Africa,etc.and are favorably appraised by clients.

 Packing Details : General packaging or packaging according to customer's requirement
Delivery Details: 30-40 days after order 
Port:Tianjin port 

Any questions ,pls let us know .