<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>measurement system</td><td>Metric, Imperial (Inch)</td><td>Grade</td><td>oem</td></tr><tr><td>Thread Direction</td><td>OEM</td><td>finish</td><td>oem</td></tr><tr><td>Insert Diameter</td><td>OEM</td><td>application</td><td>Heavy Industry, Mining, Water Treatment, Healthcare, Retail Industry, General Industry, Oil & Gas, Automotive Industry</td></tr><tr><td>Hole Diameter</td><td>OEM</td><td>Body Type</td><td>OEM</td></tr><tr><td>Product name</td><td>Hexagon Head Copper Bolt and Nut</td><td>various types</td><td>rond,square,rectangular customized</td></tr><tr><td>Size</td><td>M3 M4 M5 M6 M8 ,OEM</td><td>Material</td><td>carbon steel,stainless steel,copper,brass etc</td></tr><tr><td>Surface treatment</td><td>zinc/nickle/brass plating,black anodizing,hardened etc</td><td>Packing</td><td>polybags</td></tr><tr><td>Certificate</td><td>ROHS</td><td>Service type</td><td>OEM or ODM</td></tr><tr><td>Standard</td><td>DIN JIS ISO ANSI</td><td>Manufacturing Grade & Class</td><td>oem</td></tr></tbody></table>
