150pcs Metric Copper Flat Washers Assortment Kit, 15 Sizes for Varied Applications, Conductivity, Durably and Lasting, Prevents Outer Layer Damage,

Description: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 washers to prevent the loss of pre-load after the torque is applied. Washers are also important for preventing galvanic , particularly by insulating steel screws from aluminum surfaces.Features:This set of flat washers are made of 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:Material: CopperType: Flat washerID*OD*Thickness Quantity:M5*9*1 10pcsM6*10*1 10pcsM6*12*1 10pcsM8*12*1 10pcsM10*14*1 10pcsM10*16*1 10pcsM10x18x1 10pcsM12*16*1 10pcsM12*18*1.5 10pcsM14*18*1 10pcsM14*20*1.5 10pcsM16*22*1.5 10pcsM18*24*1.5 10pcsM20*26*1.5 10pcsM22*28*1.5 10pcsPackage Includes:150pcs x Washers

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