ITEM NAME:280pcs Solid Copper Washer Flat Ring Gasket Sump Plug Oil Seal Fittings #SFD Product Description Description: 280pcs 12 Sizes Solid Copper Washer Flat Ring Gasket Sump Plug Oil Seal Fittings Assorted Set Descriptions: The washer is a thin disk-shaped plate with a hole in the middle that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are as a spacer, wear pad, pre-load indicating device, locking device, and to reduce vibration. High-quality bolted joints require hardened steel washers to prevent the loss of pre-load after the torque is applied. Washers are also important for preventing galvanic corrosion, particularly by insulating steel screws from aluminum surfaces. Features: - This set of flat washers are made of high quality copper of good electrical conductivity and thermal conductivity. - Flat washers can spread a load, and prevent damage to the surface being fixed, and insulate steel screws from surface. - Can be used as a spacer, wear pad, pre-load indicating device, locking device, and to reduce vibration. - Flat washer is applied when the hole is a larger diameter than the fixing nut. There are many different sizes of washers in this set from which you can use for different purposes. - This set includes many flat washers that can be used for a long time, so you don't have to run to hardware store looking for washers for quite a while. Specifications: Type: flat washer Material: copper Package weight: 320g Packing size: 175*100*25mm/6.89*3.94*0.98" ID*OD*Thickness & Quantity: M5*9*1mm     30pcs M6*10*1mm    30pcs M6*12*1mm    20pcs M8*12*1mm    30pcs M10*14*1mm   30pcs M8*14*1mm    20pcs M12*16*1mm   25pcs M14*18*1mm   25pcs M12*18*1.5mm  20pcs M16*20*1.5mm  20pcs M16*22*1.5mm  15pcs M20*26*1.5mm  15pcs Notes: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not show the actual color of the.The washer is a thin disk-shaped plate with a hole in the middle that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are as a spacer, wear pad, pre-load indicating device, locking device, and to reduce vibration.
