11SFW0008 Countersunk Washer, Material Grade/Class 6/6, Material Nylon, Finish Plain, For Screw Size #8, Maximum Inside Diameter 0.171 in, Outside Diameter 33/64 in, Countersink Angle 82 Degrees , Overall Height 0.115 in, System of Measurement Inch, Color Off White, For Use With Flat and Oval Head Countersunk Screws, Maximum Temperature 185 Degrees F, Minimum Temperature -40 Degrees F, Pack Size Small Pack, Rockwell Hardness -, Thickness Tolerance +/-0.005 in, Package Quantity 20