Provides a large clamping surface and therefore spreading the load of a fastening. Corrosion Rating 1 - Clean, dry & low humidity environments. Depth mm 3.0. Finish Zinc & Clear Cr3. Hole Dia. mm M10. Length mm 50. Material Carbon Steel. Pack Dimensions L x W x H mm 180 x 152 x 50. Pack Weight kg 1.680. Product Code 1050WHSPZB. Size Hole Dia. x L x W x D mm M10 x 50 x 50 x 3. Thickness mm 3.0. Washer Type Square Plate. Width mm 50.