<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>Standard</td><td>national standard</td><td>Compatible Screw Size</td><td>M10, M12, M3, M4, M5, M6, M8</td></tr><tr><td>material</td><td>Copper</td><td>Type</td><td>Flat</td></tr><tr><td>Outer Diameter</td><td>customizable</td><td>Inside Diameter</td><td>customizable</td></tr><tr><td>Surface Treatment</td><td>Plain</td><td>application</td><td>General Industry</td></tr><tr><td>style</td><td>flat washer</td><td>finish</td><td>Plain</td></tr><tr><td>Outside Diameter</td><td>customizable</td><td>Certificate</td><td>ISO9001</td></tr><tr><td>function</td><td>good oil resistance</td><td>Packaging</td><td>PE+Carton+Pallet</td></tr><tr><td>quality</td><td>quality guarantee</td><td>MOQ</td><td>1000pcs</td></tr><tr><td>Size</td><td>Customer's Requst</td><td>style</td><td>round flat</td></tr><tr><td>Place of Shipment</td><td>Zhejiang</td><td>Delivery time</td><td>10-25 Days</td></tr><tr><td>Color</td><td>Accoeding Client Requirement</td></tr></tbody></table>