<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>material</td><td>Steel</td><td>Grade</td><td>class 4,6,10,8,10.9,12.9 or customized</td></tr><tr><td>Thread Type</td><td>UNC,UNF,Standard or Customized</td><td>Head Type</td><td>flat ,hex,round,Socket,Hexagon,Customized</td></tr><tr><td>finish</td><td>Plain</td><td>included parts</td><td>Nut, Nuts, Washers</td></tr><tr><td>nuts per bolt</td><td>3, 2</td><td>Number of nuts</td><td>4, 2</td></tr><tr><td>Available Manufacturing Raw Material</td><td>Stainless Steel/Carbon Steel/Aluminum/Brass/copper/Titanium etc</td><td>Drawing Format</td><td>PDF,2D/3D/DWG/IGS/STEP/SolidWorks</td></tr><tr><td>Surface Treatment</td><td>Heat treatment/Anodized/oxide/polishing/plating/power coating etc.</td><td>Production Equipment</td><td>CNC Machining /Stamping Machines,Fastener and Spring machines,etc</td></tr><tr><td>Certificates</td><td>ISO9001:2015,IATF16949,ROHS,REACH,etc</td><td>Dimensions</td><td>As drawings or Samples From Customers</td></tr><tr><td>Tolerance</td><td>0.01mm to 0.1mm</td><td>Key word</td><td>Screws Cap Head Hex Socket Screw Din912 Bolts</td></tr><tr><td>Quality Standard</td><td>5s</td><td>After service</td><td>Available</td></tr></tbody></table>