Heavy Duty Flat Washers BZP 5mm | Qty: 500
- Heavy Pattern Steel Construction
- Internal Diameter: 5mm
- Outer Diameter: 12mm
- Heavy Gauge Metric Washers - Form C
- Sizes as Form A but wider
- Bright Zinc Plated CR3+
- Corrosion Resistant
- Quantity: Pack of 500
- Specification: BS4320C
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Heavy Duty Metric Flat Washers -
These 5mm heavy gauge metric flat washers have been designed and constructed for tough service. They are made from durable heavy pattern steel and are Bright Zinc Plated to optimise corrosion resistance and lifecycle.
Flat washers are thin plates (typically disk-shaped) which have a hole in the middle and are usually employed to distribute the load of a threaded fastener, such as a screw or nut. Washers ensure that the nut is pressed against a smooth surface, by increaseing the bearing area, which reduces the chance that it'll gradually loosen over time which can happen if it was in contact with an uneven surface.
Galvanic Corrosion Prevention -
These BZP flat washers also play a vital role in helping to prevent galvanic corrosion by insulating steel screws from aluminium surfaces. Galvanic corrosion, also known as bimetallic corrosion, is an electrochemical process whereby one metal corrodes preferentially when it is in electrical contact with another in the presence of an electrolyte.
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