<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>Standard</td><td>ISO</td><td>material</td><td>Carbon Steel, Brass, Stainless Steel, Steel, Aluminium, 18-8 Stainless Steel, Bronze, Other</td></tr><tr><td>Type</td><td>Slotted fender countersunk spring lock Spherical</td><td>Outer Diameter</td><td>30 mm 50 mm 16 mm 12 mm 10 mm 27 mm 40 mm 35 mm</td></tr><tr><td>Inside Diameter</td><td>M4,20mm,50mm,60mm,30mm,1 in,3 in,etc</td><td>Surface Treatment</td><td>Polished, Zinc Plated, Plain, HDG, White Zinc, Yellow Zinc, Black Zinc</td></tr><tr><td>Hardness</td><td>45h a grade 430hv 40-47hrc 350-430hv hv300-500</td><td>style</td><td>Split, Wedge, Internal Tooth, External Tooth, Countersunk, Bonded, Other</td></tr><tr><td>finish</td><td>Plastic, Stainless Steel, Silver, Plain, Zinc, Black, Aluminum, Other</td><td>Outside Diameter</td><td>0-200mm</td></tr><tr><td>Product Name</td><td>Stainless Steel Round Washers</td><td>Dimensions</td><td>As drawings or Samples From Customers</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>Tolerance</td><td>0.01mm to 0.1mm</td></tr><tr><td>Key word</td><td>Torx slot self-tapping screws</td><td>After service</td><td>Yes</td></tr></tbody></table>