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Washer, flat, form B, plain, GR 4.8, M4, 4.3 x 8, 0.8 mm, Fastbolt.
Brand: Fastbolt
Your order will be fulfilled from your branch. For surplus stock from
Central Distribution, please allow seven (7) working days from delivery.


Also known as plain washers, their purpose is to distribute the fastener's load while reducing heat and friction during the tightening process. They can also be used as spacers. Form B: Normal diameter, light thickness.

Product properties
Brand Fastbolt
Category Form B
Inside Diameter (mm) 4.3
Outside Diameter (mm) 8.0
Width (mm) 0.8
Grade 4.8
Material Copper
Series Metric
Type Form B
Surface Finish Plain
Size (mm) 4