840Pcs Professional Assorted Copper Washer Gasket Set Flat Seal Assortment Kit M5-M20 with Box for Hardware

840Pcs Professional Assorted Copper Washer Gasket Set Flat Seal Assortment Kit M5-M20 with Box for Hardware Beschrijving

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.

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 , so you don't have to run to hardware store looking for washers for quite a while.
Material: Copper
Color: copper
Type: Flat washer
ID*OD*Thickness -- Quantity:
M5*9*1mm -- 90 pcs
M6*10*1mm -- 90 pcs
M6*12*1mm -- 60pcs
M8*12*1mm -- 90 pcs
M10*14*1mm -- 90 pcs
M8*14*1mm -- 60pcs
M12*16*1mm -- 75pcs
M14*18*1mm -- 75pcs
M12*18*1.5mm -- 60pcs
M16*20*1.5mm -- 60pcs
M16*22*1.5mm -- 45pcs
M20*26*1.5mm -- 45pcs

Package Contents:
840 x copper washers
3 x plastic box